Electromagnetic Induction and Alternating Current 4 Question 8
8. In the circuit shown here, the point is kept connected to point till the current flowing through the circuit becomes constant. Afterward, suddenly point is disconnected from point and connected to point at time . Ratio of the voltage across resistance and the inductor at will be equal to
(2014 Main)
(a)
(b) 1
(c) -1
(d)
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Answer:
Correct Answer: 8. (c)
Solution:
- After connecting
to hanging the switch, the circuit will act like an discharging circuit.
Applying Kirchhoff’s loop
equation,