1.

Ammetal sphere A of radius ry charged to a potentialis enveloped by a thin walled conductingherical shell B of radius ry. Then potential o. ofhere A after it is connected to the shell BTby a thin conducting wire will be :-+ATA

Answer»

When it is connected by wire, all charge from inside is conducted to the outer shell.And then potential inside the shell is a constant and equal to the potential at the surface i.e kQ/bkQ/a = V So, Q = Va/KSo, New Potential = k(Va/k)/b = Va/b



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