BPSC – Combined Competitive Examination · प्रश्न 26
An AC current can be produced by:
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (B) dynamo
स्पष्टीकरण
A rotating coil in a magnetic field (dynamo/generator) induces alternating current.
- (A) चूक
Wrong: a choke limits AC; it does not generate it.
- (B) बरोबर
Correct: an AC dynamo (generator) produces alternating current by electromagnetic induction.
- (C) चूक
Wrong: a transformer only changes AC voltage.
- (D) चूक
Wrong: a dynamo produces AC.