Parallel Plate Capacitor

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Capacitance of Parallel Plate Capacitor

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Important Questions

Derive the expression for capacitance of parallel plate capacitor.

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A parallel plate capacitor is charged an then disconnected from the charging battery. If the plates are now moved farther apart by pulling at them by means of insulating handles, then

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A parallel-plate capacitor with plate area and separation between the plates , is charged by a constant current . Consider a plane surface of area parallel to the plates and drawn symmetrically between the plates. Find the displacement current through this area.

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A capacitor is charged and battery is disconnected .Now the distance between the plates is increased slightly

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A capacitor is charged at a steady rate of . The potential difference across the capacitor will be after an interval of- 

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Two identical metal plates are given positive charge and respectively. If they are now brought close together to form a parallel plate capacitor with capacitance , the potential difference between them is

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A capacitor of capacitance is charged to a potential difference from a cell and then disconnected from it. A charge is now given to its positive plate. The potential difference across the capacitor is now 

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The capacity of a parallel plate condenser is , when the distance between its plates is cm. If the distance between the plates is reduced to cm, then the capacity of this parallel plate condenser will be :

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n identical capacitors are connected in parallel to a potential difference V. These capacitors are then reconnected in series, their charges being left undisturbed. The potential difference obtained is :

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A capacitor of capacitance is charged a potential with a battery. The battery is now disconnected and an additional charge is given to the positive plate of the capacitor. The potential difference across the capacitor will be :

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