Electrostatics Question 598

Question: Two capacitors A and B are connected in series with a battery . When the switch S is closed and the two capacitors get charged fully, then [MP PET 2000]

Options:

A) The potential difference across the plates of A is 4V and across the plates of B is 6V

B) The potential difference across the plates of A is 6V and across the plates of B is 4V

C) The ratio of electrical energies stored in A and B is 2 : 3

D) The ratio of charges on A and B is 3 : 2

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Answer:

Correct Answer: B

Solution:

In series combination of capacitors, voltage distributes on them, in the reverse ratio of their capacitance i.e. VAVB=32 ……(i) Also VA+VB= 10 …….(ii) On solving (i) and (ii) VA= 6V,VB= 4V



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