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A charged capacitor is discharged through a resistance. The time constant of the circuit is `eta`. Then the value of time constant for the power dissipated through the resistance will beA. `eta`B. `2eta`C. `eta/2`D. zero |
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Answer» Correct Answer - C `P=i^2R=(i_0e^(-t//eta))^2R` `=(i_0^2R)e^(-2t//eta)` `=P_0e^(-t//(n//2))` Hence, the time constant is `eta/2`. |
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