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42. On introducing an insulating material 4mm thick, into the space between the plates of parallel capacitor it was found in order to restore the capacitance to its original value the distance between the plates had to be increased by 3.5mm . Calculate the dielectric constant of the material.(the �length of the insulating material is parallel to the length of plates of the capacitor).

Answer» 42. On introducing an insulating material 4mm thick, into the space between the plates of parallel capacitor it was found in order to restore the capacitance to its original value the distance between the plates had to be increased by 3.5mm . Calculate the dielectric constant of the material.(the �length of the insulating material is parallel to the length of plates of the capacitor).


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