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Grade 12th PassElectrostatics

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

Profile image of Shyam Chand
13 Years agoGrade 12th Pass
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2 Answers

Profile image of Har Simrat Singh
ApprovedApproved Tutor Answer13 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

Profile image of Shyam Chand
12 Years ago
thanx sir