1. In a feedback amplifier, the bandwidth:

a) decreases by the same amount as the gain decreases

b) increases by the same amount as the gain decreases

c) decreases by the same amount as the gain decreases

d) remains uneffected

Answer

2. The characteristic equation of the second order of the system is given by s2+2δω2os+ω2o=0. The term ωo is called:

a) over damped natural frequency

b) under damped natural frequency

c) un damped natural frequency

d) none of the above

Answer

3. In the above system the term ‘δ’ is called:

a) pole factor

b) stability factor

c) damping factor

d) frequency factor

Answer

4. In the above system, if ‘δ’=1 the poles of the transfer function will be:

a) real and equal

b) imaginary and equal

c) complex conjugate

d) none of the above

Answer

5. In the system, if ‘δ’=1the system is:

a) under damped

b) absolutely damped

c) critical damped

d) over damped

Answer

6. In the above system, if ‘δ’=1

a) the system exhibits large under shoot

b) the system exhibits large over shoot

c) the system exhibits small over shoot

d) the system will not exhibit any overshoot

Answer

7. In the above system if ‘δ’>1 the poles are:

a) real and equal

b) complex conjugate

c) imaginary and real

d) none of the above

Answer

8. In the above system, if ‘δ’>1 the system exhibits:

a) large overshoot

b) medium overshoot

c) small overshoot

d) none of the above

Answer

9. In the above system if ‘δ'<1 the poles are:

a) real and equal

b) real and unequal

c) imaginary and equal

d) complex conjugate

Answer

10. In the above system if ‘δ'<1 the system exhibits:

a) damping response

b) oscillatory response

c) an overshoot

d) All the above

Answer