CBSE Class 12-science Answered
A circular coil of 400 turns has a radius 3.5 m and carries a current of 4 A. What is the magnetic field at a point on the axis of the coil from the centre?
Asked by Topperlearning User | 18 May, 2015, 04:00: PM
Expert Answer
The magnetic field at a point on the axis of the coil is given by
If a = x
Here I = 4A, n = 400, a = 3.5
= T
Answered by | 18 May, 2015, 06:00: PM
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