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Problem one Exploin /demonstote vhy wk can say that, for stotic fitlts, E-o inside a condector E is Perendireler o e nducer at its uroce, ond all residva1 cherge on * Condvctor wst eside only on it> uroceo not in iHs interior btrter the eguetion of the fere betueen chorys show how the amount of worK don assemble th folewing orengement relotes to the enersy jiven vy orenge men itJ - 2m +4 2m Hint: stert by moving each cwae in from infinity. Explain why the minus sign in Pbound-- physical ese given thata ipol Points in the direcia from - to+ d is the pole nto tio not the malces is the Polarition of dialectric

Explanation / Answer

2) the concept has come from the potential of the charges that is, if you bring a charge from infinity to the vicinity of the another charge, the workdone for this process generally called electric potential of the charge, it depends on the charge and the inverse of the distance, the same way, the energy is calculated, in this case, either you bring a negatvie charge to positve charge viz versa, the same amount of the work would be done, hence the work is half the value of what actually happen.

3) the negative sign indicates that the polarization happen in the opposite direction of the electric field applied or the charge bound charge density, E= ro/epsilon not

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