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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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- A wire of resistance 4 ohm is stretched to twice its original length.
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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
- Moderator used in nuclear reactor is
- A wire of resistance 4 ohm is stretched to twice its original length.
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- When the wavelength of sound changes from 1 m to 1.01 m,
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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