TheAlchemist30 TheAlchemist30

25-11-2021
Physics

contestada

A circular coil having 60 turns has a radius of 75 mm. What current must exist in the coil
to produce a magnetic field of 300 μT at the center of the coil?

Respuesta :

abdulrahmanshehada abdulrahmanshehada

25-11-2021

Answer:

Explanation:

Step 1 of 4

CONCEPT:

The mathematical expression for magnetic field B at center of a coil:

Here, is the current in the coil, N is the number of turns of the coil, is the permeability of the free space and is radius of the coil.

Rearrange above equation for current in the coil.

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