Space between two concentric spheres of radii 
and 
, such that 
, is filled with a material of resistivity 
. Find the resistance between inner and outer surface of the material.
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
Since, 
(where l is any radius and dl is small element).
Total resistance,
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