Joules law of heating — task. Science TNSB Mentoring, Class 10 Crash course.

An electric heater of resistance 42

Ω

is connected to an electric source. If a current of 3 \(A\) flows through the heater, then find the amount of heat produced in 7 \(minutes\).

Answer: \(J\)

[Note: Enter the answer as a whole number.]

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3. Joules law of heating