In a series R-L circuit when excited by a 1 volt battery the current i – McqOptions

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1.	In a series R-L circuit when excited by a 1 volt battery the current is 1 - e-t. If it is excited by a source 2 sin t, the current will be
A.	2 sin (t - 45¬∞) + e-t
B.	2 sin (t + 45¬∞) + e-t
C.	sin (t - 45¬∞) + e-t
D.	sin (t + 45¬∞) + e-t
Answer» B. 2 sin (t + 45¬∞) + e-t

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