In the series a.c circuit shown above, the p.d across the inductor is 8Vr.m.s and…

In the series a.c circuit shown above, the p.d across the inductor is 8V_r.m.s and that across the resistor is 6V_r.m.s. The effective voltage is

Correct Answer: Option B

Explanation

The effective V =
√ V_R² + V_L² =
√ 6² + 8² =
√ 36 + 64 =
√ 100 
10V