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If a wire is stretched to four times its length, then the specific resistance of the wire will
Options
(a) become 4 times
(b) become 1/4 times
(c) become 16 times
(d) remain the same
Correct Answer:
remain the same
Explanation:
Specific resistance does not depend upon length.
Related Questions: - A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide
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- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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