Read the following paragraph and answer the question:
When an inductor is connected to a source of emf and the switch is closed, initially the indicator offers infinite reactance to the current. As a result, first after closing the switch, the current in the circuit will be zero. But as time passes, the reactance reduces and after a long time the current through the inductor will be maximum.

Bow consider the following circuit.

Switch S is closed at T=0. Just after switch is closed. The potential difference `V_12` across `R_1` is :

Options

A. 75 V
B. 125 V
C. 150 V
D. 112.5 V

Answer

C