The total magnetic field intensity at a given location was 57652 nT. The magneti

Question

The total magnetic field intensity at a given location was 57652 nT. The magnetic inclination is +75 degrees (i.e., it points downward at an angle of 75 degrees with respect to the horizontal).

Consider the desk you sit at in class. Let us estimate that it has an area of about 900 cm2 and is horizontal. Given the values of the magnetic field, what was the magnetic flux through the desk? Use SI units.

*Note: don't round (or as little as possible). I had to make the accepted range of values in this answer quite small.*

Explanation / Answer

the flux is given by p = B*A => p = 57652*10^-9*900*10^-4*cos(15) = 5.01188*10^-6 Wb

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