The magnitude of the magnetic force on a moving charge depends on the angle between the field and the:
AAge of the magnet
BDirection of motion
CColour of the wire
DMass of the object
Answer & Solution
Correct answer: B. Direction of motion
1. The magnetic force is not simply proportional to speed alone.
2. The force depends on the charge, its speed, and the field strength.
3. It also depends on the angle between the two directions involved.
4. Those directions are the velocity of the charge and the magnetic field.
_Source: OpenStax College Physics for AP Courses 2e (CC BY 4.0), Ch 22 'Magnetism', sections 22.1-22.11_
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