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The electric potential at a point in free space due to a charge Q coulomb is Q x 10 volts. The electric field at

The electric potential at a point in free space due to a charge Q coulomb is Q x 10" volts. The electric field at that point is (a) 4 , Qx10 volt/m (c) 4 E Qx102 volt/m (b) 12 Qx1020 volt/m (d) 12 T Qx102 volt/m

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