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JEE Advanced
IMPORTANT
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A thin metal plate is inserted between the plates of a parallel-plate capacitor of capacitance in such a way that its edges touch the two plates. The capacitance now becomes
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Important Questions on Electrostatics
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JEE Advanced
IMPORTANT
The capacitance of a capacitor does not depend on
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JEE Advanced
IMPORTANT
A parallel plate capacitor has plate separation and capacitance . If a metallic foil of thickness is introduced between the plates, the capacitance would become
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JEE Advanced
IMPORTANT
In a charged capacitor, the energy resides in
MEDIUM
JEE Advanced
IMPORTANT
A capacitor of capacity has charge and stored energy is . If the charge is increased to , the stored energy will be
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JEE Advanced
IMPORTANT
The capacity and the energy stored in a charged parallel plate condenser with air between its plates are respectively and . If the air is replaced by glass (Dielectric constant=) between the plates, the capacity of the plates and the energy stored in it will respectively be
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JEE Advanced
IMPORTANT
A capacitor of capacity is connected with a battery of potential . The distance between its plates is reduced to half, assuming that the battery remains the same. Then, the new energy on the capacitor will be
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JEE Advanced
IMPORTANT
A charged capacitor when filled with a dielectric has charge , voltage and field . If the dielectric is replaced with another one having . The new values of charge voltage and field will be respectively
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JEE Advanced
IMPORTANT
capacitor is charged to and then its plates are connected by a conducting wire. The heat produced is
