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JEE Physics · Medium

Current Electricity: Heating Effect Applications MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Heating Effect ApplicationsMediumQuestion 31656

Question

Devices that use Joule heating effect include:
  1. A
    Electric motor and generator
  2. B
    Toaster, electric heater, and incandescent lamp
    Correct
  3. C
    Solar cell
  4. D
    Capacitor

Correct answer

Toaster, electric heater, and incandescent lamp

Explanation

All convert electrical energy to heat via I²R. The incandescent lamp also converts heat to light (inefficiently — LEDs are better).

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