Question

A sinusoidal voltage $V=200sin314t$ is applied to a $10\Omega$ resistor. Find the frequency of the supply.

• A. $40Hz$
• B. $50Hz$
• C. $60Hz$
• D. $80Hz$

Answer 1

The correct option is B $50Hz$

$Answer:-$ B

General sinusoidal voltage variation is given by:

$V=V_{0}sin\left(\omega t\right)$

On comparing both equation we get:

$\omega =314=2\pi ff=\frac{314}{2\pi }=50Hz$