1.

Electric charges are distributed in a small volume. The flux of the electric field through a spherical surface of radius 10cm surrounding the total charge is 25V-m. The flux over a concentric sphere of radius 20cm will be (a) 25V-m (b) 50V-m (c) 100V-m (d) 200V-m.

Answer» The correct answer is (a) 25V-m.


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