What must be known to determine the direction of the magnetic force on a charge? Choose three correct answers.
The strength of a magnetic field around a wire carrying a current of 20 cap A is 0 point 0 0 4 cap t What is the strength of the magnetic field if the current is changed to 40 cap A ?
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?
Which equation is used to calculate the magnetic force on a 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?
When using the right-hand rule to determine the direction of the magnetic field around a current-carrying straight wire, which part of the right hand points in the direction of the magnetic field?
A charge is moving in a magnetic field that points to the left. What direction can the charge move and experience no magnetic force? Choose two correct answers.
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