WAEC - Physics (1990 - No. 41)
A work of 30 joules is done is transferring 5 millicoulombs of charge from a point B to a point A in an electric Held. The potential difference between B and A is
1.7 x 10-4V
3.4x10-4V
1.5x10-1V
6.0 x103V
1.2 x104V
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