CUET Preparation Today
In an a.c. circuit, V and I are given by |
$10^4$ watt 10 watt 2.5 watt 5 watt |
2.5 watt |
Power dissipated in A.C Circuit is given by P = $V_{rms}I_{rms} cos\theta$ $V_{rms} = \frac{100}{\sqrt 2} V$ $I_{rms} = \frac{100}{\sqrt 2} mA$ cos$\frac{\pi}{3} = \frac{1}{2}$ ⇒ P = 2.5 W |
