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Question

Current of 50πHz frequency is passing through an A.C circuit having series combination of resistance R=100Ω and inductor L=1H, then phase difference between voltage and current is ______.

A
60o
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B
30o
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C
45o
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D
90o
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Solution

The correct option is C 45o
ω=2πf=2π×50π=100XL=ωL=100ΩZ=R2+X2L=(100)2+(100)2=1002cosϕ=RZ=12ϕ=45°
1180305_961633_ans_38d859e256544c6c851705ae1d68633e.png

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