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  • Electric Current and Its Effects
  • Many of our electrical home appliances use electromagneti...
Multiple choice

Many of our electrical home appliances use electromagnetism as a basic principle of working. Choose the odd one out.

  1. Electric door bell

  2. Electric fan

  3. Loudspeakers

  4. Electric geyser

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 It shows the heating effect of electric current.

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