JEE PYQ: Alternating Current Question 38
Question 38 - 2019 (12 Jan Shift 2)
In the figure shown, a circuit contains two identical resistors with resistance $R = 5,\Omega$ and an inductance with $L = 2$ mH. An ideal battery of 15 V is connected in the circuit. What will be the current through the battery long after the switch is closed?
(a) 5.5 A (b) 7.5 A (c) 3 A (d) 6 A
Show Answer
Answer: (d)
Solution
Long after switch is closed, inductor acts as wire. Two resistors in parallel: $R_{eq} = R/2$. $I = \frac{2\epsilon}{R} = \frac{2 \times 15}{5} = 6$ A.
BETA
