Which describes the magnetic field that forms when a wire carries an electric current?
What direction can the charge move and experience no magnetic force? Check all that apply.
The magnetic field 0.02 m from a wire is 0.1 T. What is the magnitude of the magnetic field 0.01 m from the same wire?
A positive charge moving up enters a magnetic field pointing out of the screen. What is the direction of the magnetic force on the charge?
When using the right-hand rule to determine the direction of the magnetic force on a charge, which part of the hand points in the direction of the magnetic field?
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A wire runs left to right and carries a current in the direction shown.

The diagram shows a positive charge moving in a magnetic field.

When using the right-hand rule to determine the direction of the magnetic force on a charge, which part of the hand points in the direction that the charge is moving?
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