Physics WAEC / WASSCE 1993 Electricity and Magnetism
When a potential difference, V is applied across the ends of a resistor of resistance, R a Current, l passes through the resistor. The heat generated in the resistor in time, t is given by the expression
A
V2lt
B
I2t/R
C
l2Rt
D
lR2tR
E
V2Rt