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If a wire is stretched to four times its length, then the specific resistance of the wire will
Options
(a) become 4 times
(b) become 1/4 times
(c) become 16 times
(d) remain the same
Correct Answer:
remain the same
Explanation:
Specific resistance does not depend upon length.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The drift velocity of the electrons in a copper wire of length 2 m under
- If a spring of spring constant k stretched by a length x under tension T, the energy
- In a photoelectric effect experiment, the slope of the graph between the stopping
- In adiabatic expansion, product of PV
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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