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## Main Question or Discussion Point

If we put a neutral conducting sphere in an electric field, it will become polarized. A force per unit area will be experienced on the surface according to:

[itex]

\vec{f} = \frac{1}{2\epsilon_0}\sigma^2\hat{n}

[/itex]

My question is, does this process heat up the conductor? And if so, where is that energy coming from?

[itex]

\vec{f} = \frac{1}{2\epsilon_0}\sigma^2\hat{n}

[/itex]

My question is, does this process heat up the conductor? And if so, where is that energy coming from?