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P-1 Effects of electric current — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Effects of electric current1 Mark
Question
Find the odd one out:
Loudspeaker, microphone, electric motor, magnet.
✓

Answer

Magnet
Reason: Loudspeaker, microphone, and electric motor work on the principle of electromagnetism or electromagnetic induction, while a magnet is a source/object.

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