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Question
Two identical parallel plate capacitors A and B(parallel)are connected to a batteryof V volts with the switch S closed. The switch is now opened and the free space between the plates of the capacitors is filled with a dielectric of dielectric constant K. Find the ratio of the total electrostatic energy stored in both capacitors before and after the introduction of the dielectric.
Two identical parallel plate capacitors A and B(parallel)are connected to a batteryof
V volts with the switch S closed. The switch is now opened and the free
space between the plates of the capacitors is filled with a dielectric of
dielectric constant K. Find the ratio of the total electrostatic energy stored
in both capacitors before and after the introduction of the
dielectric.
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Solution
Answer = k/1 not 1/k we have to take charge constant because switch is off so no current will flow and charge will not change.
Answer = k/1 not 1/k we have to take charge constant because switch is off so no current will flow and charge will not change.
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