Question

When
When an inductor, a capacitor and a resistor are connected in series across a
source of alternating emf, the potential difference across the inductor,
capacitor and resistor are 70V, 30V respectively. Find the emf of the source
(A) 50V
(B) 60V
(C) 30V
(D) 80V
A
B​

Answer 1

Explanation:

60V.........................................