Sat January 12, 2013 By: Arti Chauhan

A capacitor of capacitance C is charged by connecting it across a dc source along with an ammeter.Will the ammeter show a momentry deflection ?Explain.

Expert Reply
Sun January 13, 2013

Yes the capacitor will shows a momentary deflection. And after some move to zero when the capacitor gets fully charged. 

 Let the capacitor is charging with the help of resistance R.

Time constant of changing,

This is the expression for current at different time. 

i tends to zero with time.

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