Question

how does the energy stored in a charged capacitor change if the battery is disconnected and the plates of capacitor are moved farther apart​

Answer 1

Answer:

in first case, charge is conserved, capacitance is constant , no change in E

second, capacitance decreases hence energy increases

Answer 2

The energy stored in a charged capacitor is remain constant.

Explanation:

The energy stored is defined as:

A charged capacitor stores energy in the electrical field between its plates.

The energy stored is equal to the half of the capacitor and square of potential difference between the plates.

In the mathematically form,

$E=\dfrac{1}{2}CV^2$

Where, C = capacitor

V = potential difference

If the battery is disconnected and the plates of capacitor are moved farther apart​, then there is no effect on the stored energy between them.

The energy of the capacitor remains constant.

Hence, The energy stored in a charged capacitor is remain constant.

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Topic : store energy

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