LR Circuits: The series circuit shown in the figure contains an ideal battery with a constant terminal voltage VB = 60 V, an ideal inductor L = 42 H, a resistor R = 24 ohm resistor, and a switch S.Initially, the switch is open, and there is no current in the inductor. At time t = 0 s, the switch is suddenly closed. What is the current in the circuit when the voltage across the resistor is equal to the voltage across the inductor?
A. 1.3 A
B. 0.50 A
C. 1.0 A
D. 0.75 A
E. 1.5 A
Answer: A
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