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Question

A resistance of 300Ω and an inductance of 1π henry are connected in series to a ac voltage of 20 volts and 200 Hz frequency. The phase angle between the voltage and current is

A
tan143
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B
tan134
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C
tan132
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D
tan125
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Solution

The correct option is A tan143
Phase angle tanϕ=ωLR=2π×200300×1π=43
ϕ=tan143

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