Q. What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?
A) 1280
B) 6400
C) 3200
D) 640
✔ Correct Answer: 1280
Exam Insight
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A) 1280
B) 6400
C) 3200
D) 640
✔ Correct Answer: 1280
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