A coil of resistance \(20\Omega\) and self-inductance 10 mH is connected to an ac source of frequency \(1000/\pi \mathrm…
Q1
A coil of resistance \(20\Omega\) and self-inductance 10 mH is connected to an ac source of frequency \(1000/\pi \mathrm{Hz}\). The phase difference between current in the circuit and the source voltage is :
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