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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 two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Photon of frequency ν has a momentum associated with it. If c is the velocity
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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