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A 1m long wire of diameter 0.31 mm has a resistance of 4.2Ω. If it is replaced by another wire of same material of length 1.5m and diameter 0.155 mm, then the resistance of wire is
Options
(a) 25.2Ω
(b) 0.6Ω
(c) 26.7Ω
(d) 0.8Ω
Correct Answer:
25.2Ω
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Current Electricity
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling
- A ship A is moving westwards with a speed of 10 km/h and a ship B 100 km
- The body of mass m hangs at one end of a string of length l, the other end of which
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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