Electrostatics Question 628

Question: All six capacitors shown are identical, Each can withstand maximum 200 volts between its terminals. The maximum voltage that can be safely applied between A and B is [MP PMT 2004]

Options:

A) 1200 V

B) 400 V

C) 800 V

D) 200 V

Show Answer

Answer:

Correct Answer: B

Solution:

Given circuit can be reduced as follows (C = capacitance of each capacitor) T.

he capacitor 3C, 3C can with stand maximum 200 V.

So maximum voltage that can be applied across A and B equally shared. Hence maximum voltage applied cross A and B be equally shared.

Hence max. voltage applied across A and B will be (200 + 200) = 400 volt.



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