Consider a circuit having resistances 2 and 2 in series with an in – McqOptions

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1.	Consider a circuit having resistances 2 and 2 in series with an inductor of inductance 2 H. The circuit is excited by a voltage of 12 V. A switch S is placed across the first resistance. Battery has remained switched on for a long time. The current i(t) after switch is closed at t=0 is _____________
A.	6
B.	6 3e<sup>-t</sup>
C.	6 + 3e<sup>-t</sup>
D.	3 6e<sup>-t</sup>
Answer» C. 6 + 3e<sup>-t</sup>

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