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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
- A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
- Radii of curvature of a converging lens are in the rato 1:2. Its focal length
- With what minimum acceleration can a fireman slide down a rope while breaking
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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