Practicing Success
Practicing Success
CUET Preparation Today
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a b c d |
d |
$ V = 220 sin 100\pi t$ $ I = \frac{V}{R} = 44 sin 100\pi t$ $ I = \frac{I_0}{2} $ $\Rightarrow 100\pi t = \frac{\pi}{6}$ $\Rightarrow t_1 = \frac{1}{600}$ $ I = I_0 \text{at } 100\pi t =\frac{\pi}{2}$ $\Rightarrow t_2= \frac{1}{200}$ $\Rightarrow \text{Time taken } = t_2 - t_1 = 3.3 ms$ |
