Inductive And Non Inductive Circuits(Engineering > Electrical Engineering ) Questions and Answers
Question 1. Among the following, which is the right formula for growth in an inductive circuit?
a
b
c
d
Explanation:-
Answer: Option D. -> d Answer: (d).d
Question 2. If the switch is opened at t=0, what is the current in the circuit?
0A
1A
2A
3A
Explanation:-
Answer: Option C. -> 2A Answer: (c).2A
Question 3. What is Helmholtz equation?
a
b
c
d
Explanation:-
Answer: Option B. -> b Answer: (b).b
Question 4. If the switch is closed at t=0, what is the current in the circuit?
0A
10A
20A
30A
Explanation:-
Answer: Option A. -> 0A Answer: (a).0A
Question 5. What is the voltage across the inductor at t=0?
0V
20V
60V
58V
Explanation:-
Answer: Option C. -> 60V Answer: (c).60V
Question 6. What is the time constant of an inductive circuit?
LR
R/L
1/LR
L/R
Explanation:-
Answer: Option D. -> L/R Answer: (d).L/R
Question 7. Calculate the inductance in an inductive circuit whose time constant is 2s and the resistance is 5 ohm.
10H
20H
5H
15H
Explanation:-
Answer: Option A. -> 10H Answer: (a).10H
Question 8. Calculate the resistance in an inductive circuit whose time constant is 2s and the inductance is 10H.
7ohm
10ohm
2ohm
5ohm
Explanation:-
Answer: Option D. -> 5ohm Answer: (d).5ohm
Question 9. The charging time constant of a circuit consisting of an inductor is the time taken for the current in the inductor to become __________% of the initial current.
33
63
37
36
Explanation:-
Answer: Option B. -> 63 Answer: (b).63
Question 10. Calculate the time constant of an inductive circuit having resistance 5 ohm and inductance 10H.