How to Calculate and Solve for Magnetic Flux | Magnetic Field

The image above represents magnetic flux.

To compute for magnetic flux, two essential parameters are needed and these parameters are Area (A) and Total Magnetic Field (B).

The formula for calculating magnetic flux:

φ = B.A

Where:

φ = Magnetic Flux
A = Area
B = Total Magnetic Field

Let’s solve an example;
Find the magnetic flux with a given area of 32 and a total magnetic field of 18.

This implies that;

A = Area = 32
B = Total Magnetic Field = 18

φ = B.A
φ = (18)(32)
φ = 576

Therefore, the magnetic flux is 576 Wb.

Calculating the Area when the Magnetic Flux and the Total Magnetic Field is Given.

A = φ / B

Where;

A = Area
φ = Magnetic Flux
B = Total Magnetic Field

Let’s solve an example;
Find the area when the magnetic flux is 40 and the total magnetic field is 20.

This implies that;

φ = Magnetic Flux = 40
B = Total Magnetic Field = 20

A = φ / B
A = 40 / 20
A = 2

Therefore, the area is 2.

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