Physics · Heating Effect of Electric Current

Which of the following is NOT correct about Joule's law of heating?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Heat produced in a resistor is directly proportional to the square of the current for a given resistance.
2Heat produced in a resistor is inversely proportional to the square of the current for a given resistance.✓
3Heat produced in a resistor is directly proportional to the resistance for a given current.
4Heat produced in a resistor is directly proportional to the time for which the current flows through the resistor.

Correct answer

Heat produced in a resistor is inversely proportional to the square of the current for a given resistance.

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