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Question

In an A.C circuit, a resistance R is connected in series with an inductance L. If the phase angle between voltage and current be 450, the value of inductive reactance will be

A
R4
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B
R2
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C
R
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D
R3
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Solution

The correct option is D R
Phase angle (ϕ)=450=tan1(1)
=tan1(XLR)
So, XLR=1
XL=R

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