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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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- The dimensional formula for Young’s modulus is
- A magnetic force acting on a charged particle of charge -2µC in a magnetic field of 2T
- Three identical spherical shells, each of mass m and radius r are placed
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Einstein’s photoelectric equation is
- The dimensional formula for Young’s modulus is
- A magnetic force acting on a charged particle of charge -2µC in a magnetic field of 2T
- Three identical spherical shells, each of mass m and radius r are placed
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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