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A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that its length increases by 2 mm. Another wire of length 8 m is made from the same volume of copper. If the force F is applied to it, its length will increase by
Options
(a) 0.8 cm
(b) 1.6 cm
(c) 2.4 cm
(d) 3.2 cm
Correct Answer:
3.2 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A series combination of n₁ capacitors, each of value C₁, is charged by a source
- The electric field in a certain region is given by E=5i ̂-3ĵ kV/m. The potential
- A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
- A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance
- The displacement of a particle along the x-axis is given by x = a sin² ?t
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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