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Electric Current and its Effects — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceElectric Current and its Effects1 Mark
MCQ
Electromagnet is used in:
  • A
    Battery
  • B
    Dry cell
  • ✓
    Electric bell
  • D
    Fuse
✓

Answer

Correct option: C.
Electric bell
An electric bell is a mechanical or electronic bell that functions by means of an electromagnet.
When an electric current flows through the coils, the electromagnet creates a magnetic field which pulls the armature towards it, causing the hammer to strike the bell.

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