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Grade 10Electrostatics

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

Profile image of Hrishant Goswami
12 Years agoGrade 10
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1 Answer

Profile image of Aditi Chauhan
12 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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