TRANSIENTS

Question 1

1. Inductor is ____ at steady state.
   A. Steady
   B. Shorted
   C. Open
   D. Grounded

Answer 1

B. Shorted

Question 2

2. The ___ is zero during the steady state of inductor.
   A. Voltage
   B. Resistance
   C. Current
   D. Inductance

Answer 2

D. Voltage

Question 3

3. Capacitor is ____ upon switching.
   A. Steady
   B. Shorted
   C. Open
   D. Grounded

Answer 3

B. Shorted

Question 4

4. The ___ of a shorted capacitor is zero
   A. Voltage
   B. Resistance
   C. Current
   D. Capacitance

Answer 4

C. Voltage

Question 5

5. One time constant for a series RC is circuit is defined as the time required for the capacitor to charge to ____ of its final value
   A. 100%
   B. 63.2 %
   C. 50%
   D. 36.8 %

Answer 5

B. 63.2 %

Question 6

6. As the current decrease, the voltage across the capacitance of RC series circuit supplied by a dc voltage source (v)
   A. Rises to v
   B. Decrease to zero
   C. Rises to half of v
   D. Decrease to half of v

Answer 6

A. Rises to v

Question 7

7. ___ is zero if the RLC circuit is undamped.
   A. Voltage
   B. Inductance
   C. Capacitance
   D. Resistance

Answer 7

D. Resistance

Question 8

8. Overdamped RLC circuit is also known as ___ circuit.
   A. High loss
   B. Medium loss
   C. Low loss
   D. No loss

Answer 8

A. High loss

Question 9

9. The roots are real and equal of an auxiliary equation used to determine the current flow for an RLC series transient circuit.
   A. Undamped Case
   B. Underdamped Case
   C. Critical damped Case
   D. Overdamped Case

Answer 9

C. Critical damped Case

Question 10

10. The transient current produced for RLC circuit may be ___ oscillatory current.
    A. Unidirectional
    B. Decaying
    C. Damped
    D. A and B

Answer 10

C. A and B

Question 11

11. When a DC voltage is suddenly applied to a/an ___ series circuit, the voltage rises from zero to the steady state value.
    A. RL
    B. RC
    C. RLC
    D. LC

Answer 11

B. RC

Question 12

12. The term ___ is used to the describe the current and voltage wavefoms of a transients circuits.
    A. Logarithmic
    B. Exponential
    C. Trigonometric
    D. Directional

Answer 12

B. Exponential

Question 13

13. Transient condition exist in the circuit when
    A. The switch is closed or opened in a circuit
    B. Any voltage source is suddenly induced
    C. Currents adjust to it’s steady state
    D. All of the above

Answer 13

D. All of the above

Question 14

14. These are produced when a circuit, which is originally dead is energized.
    A. Initiation transients
    B. Subsidence transients
    C. Transition transients
    D. Relaxation transients

Answer 14

A. Initiation transients

Question 15

15. The transition occus cyclically towards states, which when reached become unstable themselves.
    A. Initiation transients
    B. Subsidence transients
    C. Transition transients
    D. Relaxation transients

Answer 15

D. Relaxation transients