ONLINE MCQ EE-RESISTANCE AND OHM`S LAW 1


Q1. In an ordinary heater if the length of the coil
is halved, then a given quantity of water will
boil
 A.  Less time  B.  More time
 C.  Same time  D.  None of these
 

Q2. The temperature-coefficient of resistance of
conductors is
 A.  Positive  B.  Negative
 C.  Neutral  D.  First A then C
 

Q3. n equal resistances are first connected in
series and then connected in parallel. What is
the ratio of the maximum to the minimum
resistance ?
 A.  n  B.    1  
 n2

 C.  n2  D.  1/n
 

Q4. In a circuit containing two unequal resistors
connected in parallel
 A.  The current is same in both the resistors  B.  The current is larger in larger resistance
 C.  The voltage drop is same across both the resistances  D.  The voltage drop is larger across larger
resistances
 

Q5. Which of the following is an ohmic conductor?
 A.  Transistors  B.  Thermionic valves
 C.  Constanton  D.  Electrolyte
 

Q6. Reciprocal of specific resistance is
 A.  Conductive resistance  B.  Specific conductance
 C.  Conductive reactance  D.  Plate resistance
 

Q7. The resistance of a straight conductor does
not depend upon its
 A.  Shape of cross-section  B.  Temperature
 C.  Material  D.  Length
 

Q8. The specific resistance of all metals is most
affected by
 A.  Temperature  B.  Pressure
 C.  Degree of illumination  D.  Applied magnetic field
 

Q9. The example of non-ohmic resistance is
 A.  Copper wire  B.  Carbon resistance
 C.  Diode  D.  Tungsten wire
 

Q10. When the temperature of metallic conductor
is increased, its resistance
 A.  Always decreases  B.  Always increases
 C.  May increase or decrease  D.  Remains the same
View Answer &nbsp
EE AND ECE IMPORTANT MCQ- Semiconductor Theory 1
CURRENT AFFAIRS UPDATE JANUARY 2017

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