how to calculate magnetic field
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Ans: Magnetic field is detected by Galvanometer. A smaller magnetic field unit is the Gauss (1 Tesla = 10,000 Gauss).
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The magnitude of the magnetic field depends on the amount of current, and the distance from the charge-carrying wire. The formula includes the constant .
This is called the permeability of free space, and has a value . The unit of magnetic field is the Tesla, T.
B = μoiN / 2πr
This is called the permeability of free space, and has a value . The unit of magnetic field is the Tesla, T.
B = μoiN / 2πr
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