EASY
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IMPORTANT
Earn 100

A capacitor of capacitance 4μF is charged to a potential of 100 V. It is then disconnected from the battery and connected in parallel with another capacitor C2. If their common potential is 40 volts, then the value of C2 is

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Important Questions on Capacitance

MEDIUM
AP EAPCET
IMPORTANT
An uncharged parallel plate capacitor filled with an oil is connected in parallel with an identical but air filled capacitor charged to a potential V1. If the common potential is V2, the dielectric constant of the oil is
MEDIUM
AP EAPCET
IMPORTANT

In the circuit diagram shown in the adjoining figure, the resultant capacitance between P and Q is

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HARD
AP EAPCET
IMPORTANT

In the given circuit, one of the 3μF capacitors has 600μJ of energy. Then the potential difference across 2μF capacitor is

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