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how many time constants will elapse before the power delovered by the battery drops to half of its maximum value in an RC circuit ? |
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Answer» Solution :`POWER = CV^2 = q xx V` ` Now, QV/2 = qV xx e^(-t/rc)` ` rArr1/2 = e^(-t/rc)` ` rArr t/rc = - In (0.5) ` ` = -(-0.69) = 0.69.` |
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