PhysicsElectrical energy and powerJAMB
A current of 2 A flows through a 5 Ω resistor for 10 s. Find the heat produced.
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Answer: B. 200 J
H = I²Rt = 4 × 5 × 10 = 200 J.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.