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Q.

In a  L-R decay circuit, the initial current is I. The total charge that has flown through the resistor till the energy in the inductor has reduced to one-fourth is initial value, is  LIXR the value of ‘X’ is

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answer is 2.

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Detailed Solution

E2=E14 I2=I12I0   e−tτ=I02tτ=log2μ=∫0log2I0  e−tτ   after   solvingμ=IL2n

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