When a potential difference, V is applied across the ends of a resistor of resistance,...

WAEC 1993

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

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Correct Answer: Option C

Explanation

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