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Electrostatic Potential And Capacitance
Question
The figure shows an experimental plot for discharging of a capacitor in an R-C circuit. The time constant τ of this circuit lies between
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150 sec and 200 sec
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0 and 50 sec
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50 sec and 100 sec
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100 sec and 150 sec
Solution
D.
100 sec and 150 sec
Time constant τ is the duration when the value of potential drops by 63% of its initial maximum value (i.e, Vo/e)
Here, 37% of 25 V = 9.25 V which lies between 100s to 150 s in the graphs.
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