Question

How much charge would the battery have to supply to store 1.50 J of energy in the capacitor?

What would be the potential across the capacitor in that case?

Answer #1

Let the energy stored be denoted by W,

where Q is the total charge and C is the capacitance. Consdering unit capacitance,

b) the potential across the capacitor depends on how much charge is accumulated in one plate.

Since we have considered unit capacitance therefor V=Q

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