Force
on a moving charge
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All moving charges create a magnetic field. If the charge is moving at right angles to the flux lines then the field it creates interacts strongly with the fixed magnetic field and the charge experiences a maximum motor effect force. When a moving charge is placed in a magnetic field, it may experience a force. The maximum force it experiences is when it is travelling at right angles to the flux lines. When it is travelling parallel to the flux lines the force it experiences is zero. The relationship can be determined by the sine of the angle the velocity of the particle makes with the flux lines. (When the angle is zero (parallel) then force is zero as sin 0o = 0 and it is maximum when angle is 90o sin 90o = 1) - see here The size of the force can be increased by:
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