CBSE Class 12-science Answered
A copper rod of length 0.8 m rotates about one of its ends in a magnetic field of induction 0.6 Wb/m², the plane of the rotation being at right angle to the field. Find the change in the magnetic flux in a rod?
Asked by Topperlearning User | 07 Jul, 2015, 09:47: AM
Expert Answer
Given:
l = 0.8m
B = 0.6 Wb/m²
θ = 0
Area (A) swept in one complete rotation = πl²
Therefore change in magnetic flux = BA = B ×πl²
= 0.6 × 3.14 × 0.8 × 0.8
= 1.20576 Wb.
Answered by | 07 Jul, 2015, 11:47: AM
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