BPSC – Combined Competitive Examination · प्रश्न 120
A potential difference develops in a conductor due to a temperature difference along it. This phenomenon is called:
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (D) Thomson effect
स्पष्टीकरण
The Thomson effect involves a single conductor whose ends are at different temperatures.
- (A) चूक
Wrong: heating due to current.
- (B) चूक
Wrong: needs a junction of two different metals.
- (C) चूक
Wrong: heating/cooling at a junction due to current.
- (D) बरोबर
Correct: concerns a single conductor with a temperature gradient.
- (E) चूक
Wrong: only one of the options A–D is correct.