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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
The essential difference between an AC generator and a DC generator is that:
  • A
    AC generator has an electromagnet while a DC generator has permanent magnet.
  • B
    C generator will generate a higher voltage.
  • C
    AC generator will generate a higher voltage.
  • ✓
    AC generator has slip rings while the DC generator has a commutator.
✓

Answer

Correct option: D.
AC generator has slip rings while the DC generator has a commutator.

A.C. generator has slip rings, whereas D.C. generator has a commutator.

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