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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
What energy conversion does take place in a generator when it is in use?
  • A
    The electrical energy changes into the electrical energy.
  • ✓
    The mechanical energy changes into the mechanical energy.
  • C
    The electrical energy changes into the mechanical energy.
  • D
    The mechanical energy changes into the electrical energy.
✓

Answer

Correct option: B.
The mechanical energy changes into the mechanical energy.
The generation of electrical power requires relative motion between a magnetic field and a conductor. In a generator, mechanical energy is converted into electrical energy. The electricity produced by most generators is in the form of alternating current.

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