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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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- If the earth shrink such that its mass does not change but radius decreases to one
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron moving in a uniform magnetic field of induction of intensity B,
- If the earth shrink such that its mass does not change but radius decreases to one
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
- The time of reverberation of a room A is one second. What will be the time (in seconds)
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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