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A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire
Options
(a) remains the same
(b) decreases
(c) increases
(d) first decreases then increases
Correct Answer:
increases
Explanation:
Work done on the wire to strain it will be stored as energy which is converted to heat. Therefore the temperature increases.
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- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
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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
- In Wheatstone bridge, three resistors P,Q and R are conncected in three arms
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- A wire of length 1 m is placed in a uniform magnetic field of 1.5 tesla at an angle
- A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
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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