Question

A 44 mH inductor is connected to 220 V, 50 Hz ac supply. Determine the rms value of the current in the circuit.

Answer 1

We know that $X_L=\omega L=2\pi fL=2\times 3.14\times 50\times 44\times {10}^{-3}=13.82\Omega$

Therefore, $I_{rms}=\frac{E}{X_L}=\frac{220}{13.82}=15.92A$