You want to put an electron somewhere between the plates of aparallel plate-capa

Question

You want to put an electron somewhere between the plates of aparallel plate-capacitor so that it will have the maximumelectrical potential energy relative to one of the plates. The bestplace to put it is at the inner surface of the negativeplate. (TRUE OR FALSE) You want to put an electron somewhere between the plates of aparallel plate-capacitor so that it will have the maximumelectrical potential energy relative to one of the plates. The bestplace to put it is at the inner surface of the negativeplate. (TRUE OR FALSE)

Explanation / Answer

   Potential energy of electron would be givenby    U   =   (1/40)* q * e / r    q   =   chargeon plate.    for maximum potential energy, U must bepositive and r should be minimum.    since e is - ve , U will assume + ve valueif q is negative, hence electron should be close to - veplate.    minimum value of r could be 0, i.e. electronshould be placed on surface of - ve plate.    TRUE

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