# Magnetic field: Magnitude and angle of net force, positive current, cylinder

Would like to know how to solve it. The magnetic field problem includes #'s 7,8,9,10,11

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#### Solution Preview

The way to proceed is sort of given to you. By breaking the problem up into 3 simpler problems, we can make the original problem easier.

The large cylinder has 2 small cylinders removed from it. We can represent the magnet fields from this new hollow cylinder as:

Magnetic field from 1 Large solid cylinder with positive current MINUS Magnetic field from 2 ...

#### Solution Summary

With good explanations, the problem is calculated and solved.

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