The voltage applied to an R-L circuit at t = 0 when switch is closed i – McqOptions

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1.	The voltage applied to an R-L circuit at t = 0 when switch is closed is 100 cos (100 t + 30 ). The circuit resistance is 80 and inductance is 0.6 H (in which initial current is zero). What is the maximum amplitude of current flowing through the circuit?
A.	1 A
B.	2 A
C.	5 A
D.	10 A
Answer» B. 2 A

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