A series circuit has R = 30 Ω, X_L = 60 Ω and X_C = 20 Ω across a 100 V (rms) supply. The rms current and power factor are

(C) 2 A and 0.6. Z = √(30^2 + (60 - 20)^2) = 50 Ω. I = (100)/(50) = 2 A. φ = (R)/(Z) = 0.6.

Alternating Current question for NEET / JEE Main, with solution

Q 12-07-020NEETJEE MainTop questionMedium

A series circuit has $R = 30\ \Omega$, $X_L = 60\ \Omega$ and $X_C = 20\ \Omega$ across a $100$ V (rms) supply. The rms current and power factor are