Physics - Single MCQs (Page 35)

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Q341. When same current passes for same time through a thick and thin wire?...Q342. Production of heat due to an electric current flowing through a conductor is giv...Q343. A wire of uniform area of cross-section A length L and resistance R is cut into ...Q344. A wire having very high value of conductance is said to be?...Q345. Resistance of a conductor depends upon?...Q346. The current through a metallic conductor is due to the motion of?...Q347. In going form a denser to rarer medium a ray of light is?...Q348. Errors in the transmission of power through optic fiber can be minimized by usin...Q349. In optic fiber transmission the repeater are separated through a distance of ___...Q350. The function of collimeter in spectrometer is?...