If the equivalent capacitance between A and B is 1µF, then …

Physics Electrostatics Potential & Capacitance Capacitance MCQ (Single Correct)

If the equivalent capacitance between A and B is 1µF, then the value of C will be

2µF

4µF

3µF

6µF

Text Solution

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The correct answer is:

Capacitors C 3 and C 4 are in parallel, therefore their resultant capacitance,

Now, capacitors C 2 and C' are in series, therefore their resultant capacitance,

, C'' = 1 µF

Capacitors C 6 and C 7 are in series, therefore their resultant capacitance,

= 1, C''' = 1 µF.

Now, C''' and C 8 are in parallel, therefore their resultant capacitance,

C'''' = 1 + 1 = 2 µF.

Now, C'''' and C 5 are in series. Therefore, their resultant capacitance,

, 5 ' = 1 µF.

Now, C'' and 5' are in parallel. Therefore, their resultant capacitance,

6' = 1 + 1 = 2 µF

Now, C 1 and 6’ are in series and their resultant capacitance is given 1 µF.

∴

C = 2 µF

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