101energy will decrease and work is done by the external agent that is (a) , (b)
Capacitor C is charged to a potential V and the battery is disconnected. now if the plates are brought close slowly by some distance:
a) some +ve work is done by external agent
b) energy of capacitor will decrease
c) energy of the capacitor will increase
d) none of the above
<more than one option may be correct>
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