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Solve Problem 25.1 assuming the capacitor to have been initially charged and subsequently disconnected before the mica sheet is inserted in it. |
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Answer» Solution : If the capacitor is disconnected from the SOURCE, the quantity remaining constant is the CHARGE on the plates, the potential and the FELD strength CHANGE by a FACTOR of 1/8 when the dielectric is inserted between the plates. Therefore `sigma_("pol")=((epsi-1) epsi_(0) varphi)/(epsid)` |
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