Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A galvanometer coil has 
turns and each turn has an average area of 
. If a torque of 
is required to keep this coil parallel to a magnetic field when a current of 
is flowing through it, the strength of the field (in 
) is …………
Text Solution
Verified by ExpertsThe correct answer is:
20
(20) JEE Main 2020
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