Electrostatics Question 618

Question: When two identical capacitors are in series have 3mF capacitance and when parallel 12mF. What is the capacitance of each [DPMT 2002]

Options:

A) $ 6\mu F $

B) $ 3\mu F $

C) $ 12\mu F $

D) $ 9\mu F $

Show Answer

Answer:

Correct Answer: A

Solution:

In series $ {C}’=C/n $ i.e. $ C=n{C}’=2\times 3=6\mu F $

In parallel $ {C}’=nC $ i.e. $ C=\frac{{{C}’}}{n}=\frac{12}{2}=6\mu F $



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