A potential difference of 12V is applied across the ends of a 6Ω resistor for...
PHYSICS
WAEC 2013
A potential difference of 12V is applied across the ends of a 6Ω resistor for 10 minutes. Determine the quantity of heat generated
- A. 720J
- B. 1200J
- C. 14400J
- D. 43200J
Correct Answer: C. 14400J
Explanation
Q = \(\frac{V^2 t}{R}\)
= \frac{12^2 \times 10 \times 60}{6}\)
= 14400J
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