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A capacoitor is charged by a cell of emf E and the charging battery i sthen removed. If an identical capacitor is now inserted in the circuit in parallel with the previous capacitor, yhe potential differnce across the new capacitor is A) 2e B)E C)E/2 D)0

A capacoitor is charged by a cell of emf E and the charging battery i sthen removed. If an identical capacitor is now inserted in the circuit in parallel with the previous capacitor, yhe potential differnce across the new capacitor is


A) 2e B)E C)E/2 D)0

Grade:12th Pass

2 Answers

Har Simrat Singh
42 Points
11 years ago

both  capacitors will b at same potential given by V= C1V1 + C2V2/C1+C2

here C1=C V1= E

C2 = C V2 = 0

V=E/2

Shyam Chand
37 Points
10 years ago
thanx sir

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