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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The molar specific heats of an ideal gas at constant pressure and volume are denoted
- A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
- A vibration magnetometer placed in magnetic meridian has a small bar magnet
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
- All components of the electromagnetic spectrum in vacuum have the same
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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