Electric Current and its Effects — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceElectric Current and its Effects1 Mark
MCQ
Electromagnets are used in which of the following?
A
Speaker
B
Motor
C
Generator
✓
All of the above
✓
Answer
Correct option: D.
All of the above
Electromagnets are formed by passing an electric current through a wire coiled around the substance with iron core.
Electromagnets are used to speaker, motor and generator.
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