Derive an expression for energy stored in a capacitor
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Explanation:
Consider a capacitor with the capacitance ‘C’ ,which is connected to the battery of emf ‘V’ .If ‘dq’ charge is transferred from one plate to other,then the work done ‘dW’ will be:
dW =V dq
This work done is stored in the form of electric potential energy ‘dU’
dU =V dq
When the capacitor is fully charged then the total energy stored is:
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