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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An atom bomb works on the principle of
- Maximum kinetic energy of electrons emitted in photoelectric effect increases when
- A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity
- In the equation y=asin(?t+kx),the dimensionals formula of ? is
- A thin rod of length L and mass M is held vertically with one end on the floor
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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