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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 photosensitive metallic surface has work function, hν₀. If photons of energy
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- The resultant of two forces, one double the other in magnitude, is perpendicular
- The velocity of sound is V, in air. If the density of air is increased to four times
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A photosensitive metallic surface has work function, hν₀. If photons of energy
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- The resultant of two forces, one double the other in magnitude, is perpendicular
- The velocity of sound is V, in air. If the density of air is increased to four times
- If oxygen has root mean square velocity of C m/s, then root mean square velocity of H
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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