Published by:
CGP EDU Academic Team
Published on: September 12, 2026
The resistance of mercury at 4K becomes..........
Text Solution
Verified by ExpertsThe correct answer is:
A
At 4K, mercury exhibits superconductivity, which means its electrical resistance drops to zero. Therefore, the resistance of mercury at 4K becomes zero.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
If a 0.1 % increase in length due to stretching, the percentage increase in its resistance will be
The specific resistance of manganin is . The resistance of a cube of length 50 cm will be
The resistivity of iron is . The resistance of a iron wire of particular length and thickness is 1…
When the length and area of cross-section both are doubled, then its resistance
The resistance of a wire is 20 ohms. It is so stretched that the length becomes three times, then t…
The resistivity of a wire