Question

An RC series circuit is charged by a voltage E. After a long time the battery is removed and a short circuit is placed across R-C. Then

a.

the polarity of voltage across R is same during discharge and during charge

b.

the polarity of voltage across R during discharging is opposite to that during charging

c.

the polarity of voltage across R depends on time constant RC

d.

none of the above

Answer: (b).the polarity of voltage across R during discharging is opposite to that during charging

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Q. An RC series circuit is charged by a voltage E. After a long time the battery is removed and a short circuit is placed across R-C. Then

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