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lakshmi
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why does the potenial decrease in case of a capacitor
When a capacitor is connected to a circuit, the potential across its plates decreases due to the accumulation of charge on the plates. This charge accumulation creates an electric field, which opposes the applied potential and causes the potential to decrease.
The capacitance of a capacitor is directly proportional to the potential decrease when connected to a circuit. This means that a higher capacitance will result in a larger potential decrease, while a lower capacitance will result in a smaller potential decrease.
When a capacitor is charging, the potential decrease is initially faster because there is less charge on the plates to create an opposing electric field. As the capacitor becomes more charged, the potential decrease slows down due to the stronger opposing electric field.
The material of the capacitor affects the potential decrease due to its dielectric constant. A higher dielectric constant means that the material can hold more charge, resulting in a larger potential decrease. Different materials also have different levels of conductivity, which can affect the potential decrease in a capacitor.
Yes, the potential decrease in a capacitor can be reversed by discharging the capacitor. This involves connecting the capacitor to a circuit that allows the charge on the plates to flow back into the circuit, increasing the potential across the plates back to its original value.