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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
Which device uses slip rings?
  • A
    A $\text{d.c}$ electric motor
  • B
    A relay
  • C
    A transformer
  • ✓
    An $\text{a.c}$. generator
✓

Answer

Correct option: D.
An $\text{a.c}$. generator
Slip rings are used in an $AC$ Generator. It is hollow rings that are connected to the ends of the armature coil and it helps to produce $Ac$ current.

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