Find the heat energy produced in a resistance of 5 Ω when 2 A current flows through it for 5 seconds.

Last updated Jun 24, 2026

Correct Answer: Option B — 100 J

To calculate the heat energy produced in a resistor, we use Joule’s Law of Heating, which states that the heat produced ($H$) is directly proportional to the square of the current, the resistance, and the time.

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Find the heat energy produced in a resistance of 5 Ω when 2 A current flows through it for 5 seconds.

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