1.

A capacitor stores a charge of amount 0.05 C when connected across a battery of 100 V for a sufficient time. How much energy will be relaeased by this capacitor when it is discharged?

Answer»

Solution :Given, charge STORED in the capacitor,`Q=0.05C`
POTENTAIL difference across the capacitor, `V=100V`
ENERGY stored in the capacitor will be:
`U=(1)/(2) QV`
`=(1)/(2)xx0.05xx100`
`U=2.5J`
The same energy will be RELEASED when the capacitor is discharged.


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