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Physics, 21.12.2021 02:50 nady82

A circular coil with a diameter of 100 mm, which is at the same plane as the one of the sheet, conducts a current of 6A counterclockwise. The coil is immersed in a material of relative permeability of 2.5. Find the magnitude of the magnetic induction,

a) at the center of the coil and

b) 3 cm away in the center axis.

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