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JEE MAIN 2021
25-02-21 S1
Question
Magnetic fields at two points on the axis of a circular coil at a distance of 0.05m and 0.2 m from the centre are in the ratio 8 : 1. The radius of coil is __________.
Select the correct option:
A
0.2 m
B
0.1 m
C
0.15 m
D
1.0 m
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Physics
Easy
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