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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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- A person cannot see the objects clearly placed at a distance more than 40 cm
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
- A person cannot see the objects clearly placed at a distance more than 40 cm
- The potential energy of a 1 kg particle free to move along the x-axis is given by
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- Two identical thin plano-convex glass lenses (refractive index 1.5) each having
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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