We have found that no fo basic level questions have increased in every competitive exam,so here we are providing 140 questions based on ITI/Diploma level these questions are very common and easy but when these question will be ask in exam we are not able to give the right answer ,because we have ignored it.so my advise is at least once time every candidate should read this type questions before every exam

1. A terminal where more than two branches met is called

a) Node

b)

Terminus

c) Loop

d) None of the above

Ans-A

2. An ideal current

source has

a) Infinite source resistance

b) Zero internal resistance

c)

Zero voltage on no load

d) Zero ripple

Ans-A

3. An ideal voltage source

should have

a) Zero source resistance

b) Infinite source resistance

c)

Terminal voltage is proportional to current

d) Open-circuit voltage nearly

equal to voltage of the load current

Ans-A

4. Mesh analysis is based

on

a) Kirchhofffs Current Law

b) Kirchhofffs Voltage Law

c)

Both

d) None

Ans-B

5. In a four branch parallel circuit, 10mA of

current flows in each branch. If one of the branch

opens, whatis the current

in each of the other branches

(a) unaffected

(b) increases

(c)

decreases

(d) doubles

Ans-B

6. Identify the passive element among the

following

a. Voltage source

b. current source

c. inductor

d.

transistor

Ans-C

7. How much energy is stored by a 0.05ƒÊF capacitor with

a voltage of 1000V?

a. 0.025J

b. 0.05J

c. 5J

d. 100J

Ans-A

8.

The unit of power is

a. Watts

b. Volts

c. Current

d.

None

Ans-A

9. The nodal method of circuit analysis is based on

a. KVL + ohms law

b. KCL + ohms law

c. KVL + KCL

d. KVL + ohms law

+KCL

Ans-A

10. In a four branch series circuit, 10mA of current flows in

each branch. If one of the branch

opens, what is the current in each of the

other branches

(a) unaffected

(b) increases

(c) decreases

(d)

zero

Ans-D

11. State Kirchofffs current Law.

(a) sum of all positive

currents is equal to sum of all negative currents.

(b) sum of all positive

emfs is equal to the sum of all negative emfs taken in order

(c) sum of all

powers in a circuit

(d) sum of all emfs in a circuit

Ans-A

12. Define

Kirchofffs voltage law

(a) algebraic sum of emffs – algebraic sum of

voltage drops = 0

(b) algebraic sum of emffs + algebraic sum of voltage

drops = 0

(c) zero

(d) algebraic sum of currents

Ans-A

13. Ohmfs

Law states that current through a conductor, under —————-conditions

is

proportional to potential difference across the conductor.

(a) constant

pressure

(b) constant pressure, temperature and volume

(c) constant

volume

(d) constant temperature

Ans-B

14. Find the voltage between A

and B, for the figure 1 shown below

figure 1

(a) 100V

(b) 900V

(c)

90V

(d) 10V

Ans-C

15. In a parallel circuit, the relation between

different currents is

(a) Zero = I1 + I2+ I3 + I4 + . . ..

(b) IT = I1 X

I2X I3 . . . . . .

(c) I1 + I2+ I3 + . . .. = infinity

(d) IT = I1 + I2+

I3 + . . ..

Ans-D

16. What are the units of voltage, current and

Resistance respectively?

(a) Ohms, Volts, Amperes

(b) Volts, Farads,

Amperes

(c) Henries, Volts, Amperes

(d) Volts, Amperes,

Ohms

Ans-D

17. The following voltage drops are measured across each of

three resistors in series: 5.2V, 8.5V,

12.3V. What is the value of the source

voltage to which these resistors are connected?

(a) 26V

(b) 5.2V

(c)

8.2V

(d) 12.3V

Ans-A

18. In the figure 2 shown below find the current

in the resistor R1

figure 2

(a) 15V

(b) 15A

(c) 16.6A

(d)

16.6V

Ans-C

19. The unit of energy is

a. Watts

b. Volts

c.

Current

d. None

Ans-D

20. What is the rule followed for kirchofffs

voltage law?

(a) mesh rule

(b) current rule

(c) loop rule

(d) wheat

stone rule

Ans-A

21. In a parallel circuit, the total resistance of

circuit—————-as the number of resistors

connected in

parallel———————–

(a) increases, increases

(b) increases,

decreases

(c) decreases, decreases

(d) decreases,

increases

Ans-D

22. A battery of emf 12V is connected to an external

resistance of 20 ohm. Find current flowing

through resistor

(a) 4

(b)

0.6

(c) 40

(d) None

Ans-B

23. In a series circuit, the total

resistance of circuit—————-as the number of resistors

connected in

series ———————–

(a) increases, increases

(b) increases,

decreases

(c) decreases, decreases

(d) decreases,

increases

Ans-A

24. An ammeter is used to measure the flow

of———————– in a circuitc

(a) Energy

(b) Power

(c)

Current

(d) Voltage

Ans-A

25. In the figure 3 shown, equivalent

resistance is

figure 3

(a) 1.512 ohms

(b) 7.667ohms

(c)

7.777ohms

(d) None

Ans-B

26. What is the relationship between the

resistance and voltage when the current is kept

constant?

(a) equal

to

(b) inversely proportional

(c) directly proportional

(d)

constant

Ans-D

27. Sign convention used for potential is:

(a) rise in

potential is positive

(b) rise in potential is zero

(c) Rise in potential

is negative

(d) rise in potential is equal to fall in

potential

Ans-A

28. In a four branch series circuit, 100mA of current

flows in each branch. If one of the branch

opens, what is the current in each

of the other branches

(a) increases

(b) unaffected

(c) doubles

(d)

zero

Ans-D

29. Ten cells, each of emf 1.5V are connected in series. What

current willthey send through an

external resistance of 4 ohm

(a) 6.0

A

(b) 2.5 A

(c) 3.75 A

(d) None

Ans-

30. A battery of emf 1.8

volts is connected to a pair of resistances 4 ohm and 6 ohm in

parallel.

Calculate the current supplied by the battery

(a) 7.5 A

(b)

10 A

(c) 1.75 A

(d) 0.75 A

Ans-D

31. When n resistances of value x

are connected in series, total resistance is

(A) nx (B) rnx (C) x / n (D) n2

x.

Ans-A

32. Which of the following is not the same as watt?

(A)

joule/sec (B) amperes/volt C) amperes x volts (D) ( amperes )2 x

ohm.

Ans-B

33. A circuit contains two un-equal resistances in

parallel

(A) current is same in both (B) large current flows in larger

resistor

(C) potential difference across each is same (D) smaller resistance

has smaller conductance.

Ans-C

34. Four identical resistors are first

connected in parallel and then in series. The resultant

resistance of the

first combination to the second will be

(A) 1 / 16 times (B) 1 / 4 times (C)

4 times (D) 16 times.

Ans-A

35. The ratio of the resistance of a 100 W,

220 V lamp to that of a 100 W, 110 V lamp will be

nearly

(A) 4 (B)2 (C) 1

/ 2 (D) 1 / 4

Ans-A

36. Three 3 ohm resistors are connected to form a

triangle. What is the resistance between any

two of the corners?

(A) 3 / 4

ohms (B) 3 ohms (C) 2 ohms (D) 4/3 ohm.

Ans-C

37. A wire of 0.14 mm

diameter and specific resistance 9.6 micro ohm-cm is 440 cm long.

The

resistance of the wire will be

(A) 9.6 ohm (B) 11.3 ohm (C) 13.7 ohm

(D) 27.4 ohm.

Ans-D

38. Ohm’s law is not applicable to

(A) DC circuits

(B) high currents (C) small resistors (D) semi-conductors.

Ans-D

39. A

wire of resistance R has it length and cross-section both doubled. Its

resistance will

become

(A) 4 R (B)2 R (C) R (D) R / 4.

Ans-C

40.

Ohm’s law is not applicable in all the following cases Except

(A)

Electrolytes (B) Arc lamps (C) Insulators (D) Vacuum ratio

values.

Ans-C

41. Three elements having conductance G1, G2 and G3 are

connected in parallel. Their combined

conductance will be

(A) 1/( 1/G1 +

1/G2 + 1/G3) (B) (G1G2 + G2G3 + G3G1)/(G1 + G2 + G3)

(C) 1/(G1 + G2+ G3) (D)

G1 + G2 +G3

Ans-D

42. For the circuit shown below the current I flowing

through the circuit will be

(A)1 / 2 A (B) 1 A (C) 2 A (D) 4

A.

Ans-C

43. In the circuit shown below, the current I is

(A)1 / 45 A

(B)1 / 15 A (C)1 / 10 A (D)1 / 5 A.

Ans-C

44. All good conductors have

high

(A) resistance (B) electrical conductivity

(C) electrical and thermal

conductivity (D) conductance.

Ans-D

45. Resistance across A and B in the

circuit shown below is

(A)50 ohm (B) 75 ohm (C)275 ohm (D)none of the

above.

Ans-D

1.

Give examples for active elements——————-(voltage and current

sources)

2. The relation between voltage and current in a capacitor is

(v=(1/C)çi.dt)

3. Energy stored in a capacitor is given

as—————————-((1/2)Cv2)

4. The relation between voltage and

current in an inductor is (v=L(di/dt))

5. The opposition offered by capacitor

to rate of change of voltage across it is

called—————

(capacitance)

6. The basis for nodal analysis is law

(KCL)

7. Ohmfs Law is given by (I=V/R)

8. Give examples for passive

elements——————-(R, L & C)

(A) R (B) 3 R (C) 4 R (D) 5

R.

Ans-A

46. Equivalent Resistance between X and Y is

9. Energy stored

in a inductor is given as

10. The relation between voltage and current

11.

The opposition offered by inductor to rate of change

(inductance)

12. The

basis for mesh analysis is

13. The flow of electrons is called

14. The

equivalent resistance of resistors R

(1/((1/R1)+(1/R2)+(1/R3)))

15.

———————- materials are examples

16. The opposition offered by

resistor to flow

17. The algebraic sum of currents flowing towards a

junction

————————————————–

18. In a

series circuit total ——————-

19. —————Force will be

there between oppositely charged bodies

20. —————Force will be

there between positively

21. A conductor have —————

22. In the

circuit 1 shown below, equation according to KCL

Circuit1

23.

———————- materials are examples for

24. ———————-

materials are examples for insulators ( Paper &

25. ——————–

is the current

circuit 2

27. The unit of power is —————–

(Watts)

28. The unit of charge is ————- (Coulomb)

29. The

equivalent resistance of two resistors R1& R2 in parallel is ———–

(1/((1/R1)+(1/R2)))

30. The energy dissipated in Resistor is given by

————————– (i2Rt Joules)

31. Define

KVL——————————–(algebraic sum of voltages around any closed

path in an electric circuit is equal to zero)

32. Define

KCL————————–(algebraic sum of currents flowing towards a

junction in an

electric circuit is equal toalgebraic sum of currents leaving

that junction)

33. Current in a capacitor is given

by—————–(i=C(dv/dt))

34. Current in a inductor is given

by—————(i=(1/L)çv.dt)

35. Current in a resistor is given

by————— (I=V/R)

36. Resistivity of a wire depends on .(

material)

37. Resistance of a wire is r ohms. The wire is stretched to double

its length, then its resistance in ohms is .(4 r )

38. Kirchhoff’s second law

is based on law of conservation of . (energy)

39. The charge on an electron

is known to be 1.6 x 10-19 coulomb. In a circuit the current flowing is 1 A. How

many electrons will be flowing through the circuit in a second (0.625 x

1019)

40. Ampere second could be the unit of . (charge)

41. One kilowatt

hour of electrical energy is the same as Joules. (36 x 105 joules)

42. An

electric current of 5 A is same as C/Sec.(5)

43. The value of the following

is given by 100 (kilo ampere ) x ( micro ampere )x 100 milli ampere * 10 ampere

is A.( 0.1 A )

44. A circuit contains two un-equal resistances in parallel

The Potential across them .(same)

45. Conductance is expressed in terms of

_.(mho)

46. Two resistances R1 and R2 give combined resistance of 4.5 ohms

when in series and 1 ohm when in parallel. The resistances are .(1.5ohms and

3ohms)

47. We have three resistances of values 2 R, 3 R and 6 R.Which of the

following combination will give an effective resistance of 4 R. The Resistors

are connected in .

( 2R resistance in series with parallel combination of 3 R

and 6 R resistance)

48.Current I in the figure is .(6A)

49.The unit of

electrical conductivity is . (mho / metre )

50.The resistance of a 100 W, 200

V lamp is .(400 ohm)

51. Five resistances are connected as shown in figure

below. The equivalent resistance between the points A and B will be .(5

ohms)

52. How many different combinations may be obtained with three

resistors, each having the resistance R .(4)

53. Ohm’s law is applicable to

.(DC Circuits only)

54. A resistance of 5 ohms is further drawn so that its

length becomes double. Its resistance will now be .(20 ohms)

55. Specific

resistance of a substance is measured in .(ohm-cm)

56. Resistivity is usually

expressed in terms of .( ohms/cm-cube)

57. Inductoropposes sudden change in

.(Current)

58. Capacitor opposes sudden change in .(Voltage)

59. 2F and 4F

are connected in series. What is resultant value .(1.33F)

60. 3H and 6H are

connected in parallel. What resultant value .(2H)

61. What is Voltage value

in KCL .(Constant)

62. Units of potential is .(Volts)

63. What is current

flowing through the open cicuit .(Zero)

1) Sign convention used for potential is rise in potential is

positive is ——– (T/F) T

2) An ammeter is used to measure the flow of

voltage in a circuit is———- (T/F) F

3) A battery has an emf of 12.9

volts and supplies a current of 3.5 A. The resistance of the circuit is 3.69 A

is ———- (T/F) T

4) If one of the resistors in parallel circuit is

removed, then the total resistance remains Constant is ———- (T/F) F

30)

Amperes is the unit of voltage ———— (T/F) F

1. A terminal where more than two branches met is called

a) Node

b)

Terminus

c) Loop

d) None of the above

Ans-A

2. An ideal current

source has

a) Infinite source resistance

b) Zero internal resistance

c)

Zero voltage on no load

d) Zero ripple

Ans-A

3. An ideal voltage source

should have

a) Zero source resistance

b) Infinite source resistance

c)

Terminal voltage is proportional to current

d) Open-circuit voltage nearly

equal to voltage of the load current

Ans-A

4. Mesh analysis is based

on

a) Kirchhofffs Current Law

b) Kirchhofffs Voltage Law

c)

Both

d) None

Ans-B

5. In a four branch parallel circuit, 10mA of

current flows in each branch. If one of the branch

opens, whatis the current

in each of the other branches

(a) unaffected

(b) increases

(c)

decreases

(d) doubles

Ans-B

6. Identify the passive element among the

following

a. Voltage source

b. current source

c. inductor

d.

transistor

Ans-C

7. How much energy is stored by a 0.05ƒÊF capacitor with

a voltage of 1000V?

a. 0.025J

b. 0.05J

c. 5J

d. 100J

Ans-A

8.

The unit of power is

a. Watts

b. Volts

c. Current

d.

None

Ans-A

9. The nodal method of circuit analysis is based on

a. KVL + ohms law

b. KCL + ohms law

c. KVL + KCL

d. KVL + ohms law

+KCL

Ans-A

10. In a four branch series circuit, 10mA of current flows in

each branch. If one of the branch

opens, what is the current in each of the

other branches

(a) unaffected

(b) increases

(c) decreases

(d)

zero

Ans-D

11. State Kirchofffs current Law.

(a) sum of all positive

currents is equal to sum of all negative currents.

(b) sum of all positive

emfs is equal to the sum of all negative emfs taken in order

(c) sum of all

powers in a circuit

(d) sum of all emfs in a circuit

Ans-A

12. Define

Kirchofffs voltage law

(a) algebraic sum of emffs – algebraic sum of

voltage drops = 0

(b) algebraic sum of emffs + algebraic sum of voltage

drops = 0

(c) zero

(d) algebraic sum of currents

Ans-A

13. Ohmfs

Law states that current through a conductor, under —————-conditions

is

proportional to potential difference across the conductor.

(a) constant

pressure

(b) constant pressure, temperature and volume

(c) constant

volume

(d) constant temperature

Ans-B

14. Find the voltage between A

and B, for the figure 1 shown below

figure 1

(a) 100V

(b) 900V

(c)

90V

(d) 10V

Ans-C

15. In a parallel circuit, the relation between

different currents is

(a) Zero = I1 + I2+ I3 + I4 + . . ..

(b) IT = I1 X

I2X I3 . . . . . .

(c) I1 + I2+ I3 + . . .. = infinity

(d) IT = I1 + I2+

I3 + . . ..

Ans-D

16. What are the units of voltage, current and

Resistance respectively?

(a) Ohms, Volts, Amperes

(b) Volts, Farads,

Amperes

(c) Henries, Volts, Amperes

(d) Volts, Amperes,

Ohms

Ans-D

17. The following voltage drops are measured across each of

three resistors in series: 5.2V, 8.5V,

12.3V. What is the value of the source

voltage to which these resistors are connected?

(a) 26V

(b) 5.2V

(c)

8.2V

(d) 12.3V

Ans-A

18. In the figure 2 shown below find the current

in the resistor R1

figure 2

(a) 15V

(b) 15A

(c) 16.6A

(d)

16.6V

Ans-C

19. The unit of energy is

a. Watts

b. Volts

c.

Current

d. None

Ans-D

20. What is the rule followed for kirchofffs

voltage law?

(a) mesh rule

(b) current rule

(c) loop rule

(d) wheat

stone rule

Ans-A

21. In a parallel circuit, the total resistance of

circuit—————-as the number of resistors

connected in

parallel———————–

(a) increases, increases

(b) increases,

decreases

(c) decreases, decreases

(d) decreases,

increases

Ans-D

22. A battery of emf 12V is connected to an external

resistance of 20 ohm. Find current flowing

through resistor

(a) 4

(b)

0.6

(c) 40

(d) None

Ans-B

23. In a series circuit, the total

resistance of circuit—————-as the number of resistors

connected in

series ———————–

(a) increases, increases

(b) increases,

decreases

(c) decreases, decreases

(d) decreases,

increases

Ans-A

24. An ammeter is used to measure the flow

of———————– in a circuitc

(a) Energy

(b) Power

(c)

Current

(d) Voltage

Ans-A

25. In the figure 3 shown, equivalent

resistance is

figure 3

(a) 1.512 ohms

(b) 7.667ohms

(c)

7.777ohms

(d) None

Ans-B

26. What is the relationship between the

resistance and voltage when the current is kept

constant?

(a) equal

to

(b) inversely proportional

(c) directly proportional

(d)

constant

Ans-D

27. Sign convention used for potential is:

(a) rise in

potential is positive

(b) rise in potential is zero

(c) Rise in potential

is negative

(d) rise in potential is equal to fall in

potential

Ans-A

28. In a four branch series circuit, 100mA of current

flows in each branch. If one of the branch

opens, what is the current in each

of the other branches

(a) increases

(b) unaffected

(c) doubles

(d)

zero

Ans-D

29. Ten cells, each of emf 1.5V are connected in series. What

current willthey send through an

external resistance of 4 ohm

(a) 6.0

A

(b) 2.5 A

(c) 3.75 A

(d) None

Ans-

30. A battery of emf 1.8

volts is connected to a pair of resistances 4 ohm and 6 ohm in

parallel.

Calculate the current supplied by the battery

(a) 7.5 A

(b)

10 A

(c) 1.75 A

(d) 0.75 A

Ans-D

31. When n resistances of value x

are connected in series, total resistance is

(A) nx (B) rnx (C) x / n (D) n2

x.

Ans-A

32. Which of the following is not the same as watt?

(A)

joule/sec (B) amperes/volt C) amperes x volts (D) ( amperes )2 x

ohm.

Ans-B

33. A circuit contains two un-equal resistances in

parallel

(A) current is same in both (B) large current flows in larger

resistor

(C) potential difference across each is same (D) smaller resistance

has smaller conductance.

Ans-C

34. Four identical resistors are first

connected in parallel and then in series. The resultant

resistance of the

first combination to the second will be

(A) 1 / 16 times (B) 1 / 4 times (C)

4 times (D) 16 times.

Ans-A

35. The ratio of the resistance of a 100 W,

220 V lamp to that of a 100 W, 110 V lamp will be

nearly

(A) 4 (B)2 (C) 1

/ 2 (D) 1 / 4

Ans-A

36. Three 3 ohm resistors are connected to form a

triangle. What is the resistance between any

two of the corners?

(A) 3 / 4

ohms (B) 3 ohms (C) 2 ohms (D) 4/3 ohm.

Ans-C

37. A wire of 0.14 mm

diameter and specific resistance 9.6 micro ohm-cm is 440 cm long.

The

resistance of the wire will be

(A) 9.6 ohm (B) 11.3 ohm (C) 13.7 ohm

(D) 27.4 ohm.

Ans-D

38. Ohm’s law is not applicable to

(A) DC circuits

(B) high currents (C) small resistors (D) semi-conductors.

Ans-D

39. A

wire of resistance R has it length and cross-section both doubled. Its

resistance will

become

(A) 4 R (B)2 R (C) R (D) R / 4.

Ans-C

40.

Ohm’s law is not applicable in all the following cases Except

(A)

Electrolytes (B) Arc lamps (C) Insulators (D) Vacuum ratio

values.

Ans-C

41. Three elements having conductance G1, G2 and G3 are

connected in parallel. Their combined

conductance will be

(A) 1/( 1/G1 +

1/G2 + 1/G3) (B) (G1G2 + G2G3 + G3G1)/(G1 + G2 + G3)

(C) 1/(G1 + G2+ G3) (D)

G1 + G2 +G3

Ans-D

42. For the circuit shown below the current I flowing

through the circuit will be

(A)1 / 2 A (B) 1 A (C) 2 A (D) 4

A.

Ans-C

43. In the circuit shown below, the current I is

(A)1 / 45 A

(B)1 / 15 A (C)1 / 10 A (D)1 / 5 A.

Ans-C

44. All good conductors have

high

(A) resistance (B) electrical conductivity

(C) electrical and thermal

conductivity (D) conductance.

Ans-D

45. Resistance across A and B in the

circuit shown below is

(A)50 ohm (B) 75 ohm (C)275 ohm (D)none of the

above.

Ans-D

**Fill in the Blanks._______________ANS**1.

Give examples for active elements——————-(voltage and current

sources)

2. The relation between voltage and current in a capacitor is

(v=(1/C)çi.dt)

3. Energy stored in a capacitor is given

as—————————-((1/2)Cv2)

4. The relation between voltage and

current in an inductor is (v=L(di/dt))

5. The opposition offered by capacitor

to rate of change of voltage across it is

called—————

(capacitance)

6. The basis for nodal analysis is law

(KCL)

7. Ohmfs Law is given by (I=V/R)

8. Give examples for passive

elements——————-(R, L & C)

(A) R (B) 3 R (C) 4 R (D) 5

R.

Ans-A

46. Equivalent Resistance between X and Y is

9. Energy stored

in a inductor is given as

10. The relation between voltage and current

11.

The opposition offered by inductor to rate of change

(inductance)

12. The

basis for mesh analysis is

13. The flow of electrons is called

14. The

equivalent resistance of resistors R

(1/((1/R1)+(1/R2)+(1/R3)))

15.

———————- materials are examples

16. The opposition offered by

resistor to flow

17. The algebraic sum of currents flowing towards a

junction

————————————————–

18. In a

series circuit total ——————-

19. —————Force will be

there between oppositely charged bodies

20. —————Force will be

there between positively

21. A conductor have —————

22. In the

circuit 1 shown below, equation according to KCL

Circuit1

23.

———————- materials are examples for

24. ———————-

materials are examples for insulators ( Paper &

25. ——————–

is the current

circuit 2

27. The unit of power is —————–

(Watts)

28. The unit of charge is ————- (Coulomb)

29. The

equivalent resistance of two resistors R1& R2 in parallel is ———–

(1/((1/R1)+(1/R2)))

30. The energy dissipated in Resistor is given by

————————– (i2Rt Joules)

31. Define

KVL——————————–(algebraic sum of voltages around any closed

path in an electric circuit is equal to zero)

32. Define

KCL————————–(algebraic sum of currents flowing towards a

junction in an

electric circuit is equal toalgebraic sum of currents leaving

that junction)

33. Current in a capacitor is given

by—————–(i=C(dv/dt))

34. Current in a inductor is given

by—————(i=(1/L)çv.dt)

35. Current in a resistor is given

by————— (I=V/R)

36. Resistivity of a wire depends on .(

material)

37. Resistance of a wire is r ohms. The wire is stretched to double

its length, then its resistance in ohms is .(4 r )

38. Kirchhoff’s second law

is based on law of conservation of . (energy)

39. The charge on an electron

is known to be 1.6 x 10-19 coulomb. In a circuit the current flowing is 1 A. How

many electrons will be flowing through the circuit in a second (0.625 x

1019)

40. Ampere second could be the unit of . (charge)

41. One kilowatt

hour of electrical energy is the same as Joules. (36 x 105 joules)

42. An

electric current of 5 A is same as C/Sec.(5)

43. The value of the following

is given by 100 (kilo ampere ) x ( micro ampere )x 100 milli ampere * 10 ampere

is A.( 0.1 A )

44. A circuit contains two un-equal resistances in parallel

The Potential across them .(same)

45. Conductance is expressed in terms of

_.(mho)

46. Two resistances R1 and R2 give combined resistance of 4.5 ohms

when in series and 1 ohm when in parallel. The resistances are .(1.5ohms and

3ohms)

47. We have three resistances of values 2 R, 3 R and 6 R.Which of the

following combination will give an effective resistance of 4 R. The Resistors

are connected in .

( 2R resistance in series with parallel combination of 3 R

and 6 R resistance)

48.Current I in the figure is .(6A)

49.The unit of

electrical conductivity is . (mho / metre )

50.The resistance of a 100 W, 200

V lamp is .(400 ohm)

51. Five resistances are connected as shown in figure

below. The equivalent resistance between the points A and B will be .(5

ohms)

52. How many different combinations may be obtained with three

resistors, each having the resistance R .(4)

53. Ohm’s law is applicable to

.(DC Circuits only)

54. A resistance of 5 ohms is further drawn so that its

length becomes double. Its resistance will now be .(20 ohms)

55. Specific

resistance of a substance is measured in .(ohm-cm)

56. Resistivity is usually

expressed in terms of .( ohms/cm-cube)

57. Inductoropposes sudden change in

.(Current)

58. Capacitor opposes sudden change in .(Voltage)

59. 2F and 4F

are connected in series. What is resultant value .(1.33F)

60. 3H and 6H are

connected in parallel. What resultant value .(2H)

61. What is Voltage value

in KCL .(Constant)

62. Units of potential is .(Volts)

63. What is current

flowing through the open cicuit .(Zero)

**TRUE/FALSE QUESTIONS**

AnswerAnswer

1) Sign convention used for potential is rise in potential is

positive is ——– (T/F) T

2) An ammeter is used to measure the flow of

voltage in a circuit is———- (T/F) F

3) A battery has an emf of 12.9

volts and supplies a current of 3.5 A. The resistance of the circuit is 3.69 A

is ———- (T/F) T

4) If one of the resistors in parallel circuit is

removed, then the total resistance remains Constant is ———- (T/F) F

30)

Amperes is the unit of voltage ———— (T/F) F