A series RL circuit is excited by a voltage v(t) = Vm sin (ωt + Φ). – McqOptions

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1.	A series RL circuit is excited by a voltage v(t) = Vm sin (ωt + Φ). The transient current will be zero if
A.	Φ = 0
B.	ω = 0
C.	Φ = tan¯¹ (ωL/R)
D.	ω - tan¯¹ (ωL/R) = p/2
Answer» D. ω - tan¯¹ (ωL/R) = p/2

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