ಮುಖ್ಯ ವಿಷಯಕ್ಕೆ ಹೋಗಿ

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 120

A potential difference develops in a conductor due to a temperature difference along it. This phenomenon is called:

Joule effect
Seebeck effect
Peltier effect
Thomson effect
None of the above / More than one of the above

ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (D) Thomson effect

ವಿವರಣೆ

The Thomson effect involves a single conductor whose ends are at different temperatures.

(A) ತಪ್ಪು
Wrong: heating due to current.
(B) ತಪ್ಪು
Wrong: needs a junction of two different metals.
(C) ತಪ್ಪು
Wrong: heating/cooling at a junction due to current.
(D) ಸರಿ
Correct: concerns a single conductor with a temperature gradient.
(E) ತಪ್ಪು
Wrong: only one of the options A–D is correct.