(a) State the relation between potential difference, work done and charge moved.
(a) State the relation between potential difference, work done and charge moved.
(b) Calculate the work done in moving a charge of 4 coulombs from a point at 220 volts to another point at 230 volts.
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Solution :
(a) Potential difference = Work done/Charge moved.
(b) V1=220 V, V2=230V, Charge moved=4C
Thus, the potential difference= V2- V1 =230-220 =10.
We know that, Work done = Potential difference x Charge moved = 10 x 4 Work done = 40 joules
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