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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
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- The speed of an electron having a wavelength of 10⁻¹⁰ m is
- X-ray beam can be deflected by
- Electric field intensity at a point in between two parallel sheets due to like
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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