State Fleming’s left-hand rule.
Fleming’s Left-hand Rule: According to this rule, stretch the forefinger, middle finger and thumb of your left hand such that they are mutually perpendicular to each other. If the forefinger and the middle finger point in the direction of magnetic field and the current respectively, then the thumb will point in the direction of motion or the force acting on the conductor.
F = BIL sin θ
Where, F = Force on the conductor, B = magnitude of magnetic field, I - current passing through the conductor, L = length of the conductor inside the magnetic field and 9 = angle between the conductor and the magnetic field.
Also F = Bqv
Where, q = amount of charge passing through the conductor and v = velocity of charge passing through the conductor.