Electrostatics Question 33

Question: The distance between the plates of a parallel plate condenser is 4mm and potential difference is60 volts . If the distance between the plates is increased to12mm , then

Options:

A) The potential difference of the condenser will become 180 volts

B) The P.D. will become 20 volts

C) The P.D. will remain unchanged

D) The charge on condenser will reduce to one third

Show Answer

Answer:

Correct Answer: A

Solution:

For capacitor V1V2=d1d2

therefore V2=V1×d2d1=60×124=180V



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