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Question

A 0.01 H inductor and 3π Ω resistance are connected in series with a 220 V, 50 Hz AC source. The phase difference between the current and emf is:

A
π6 radians
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B
π3 radians
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C
π4 radians
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D
π2 radians
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Solution

The correct option is A π6 radians
Phase difference between inductor and resistor connected in series = tan1(XLR)
=tan1(ωLR)
=tan1(2πfLR)
=tan1(2π50×0.013π)
=tan1(13)
=π6

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