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A capacitor is charged to store an energy U. The charging battery is disconnected. An identical capacitor is now connected to the first capacitor in parallel. The energy in each of the capacitors is

(a) U/2

(b) 3U/2

(c) U

(d) U/4

Hrishant Goswami , 11 Years ago
Grade 10
anser 1 Answers
Aditi Chauhan

Last Activity: 11 Years ago

(a)

In 1st case when capacitor C attached with battery charged with the energy.

U1 = U (stored energy on capacitor).

In IInd case after disconnect of battery similar capacitor is attached in parallel with

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