The Motor Effect Flashcards
What is the motor effect?
The phenomena where a current-carrying conductor experiences a force in a magnetic field.
Will a moving charge in a magnetic field?
A moving charge in a magnetic field will experience a force. Current is a continuous flow of charges, hence a current-carrying conductor contains moving charges and experience a force in the field.
What is the current formula?
I = q//t
What is the formula for force experienced by the current carrying conductor in a magnetic field?
F = ILBsin(theta)
What is the right hand palm rule?
Thumb = current
Fingers = magnetic field
Palm = Force
CFF - acronym
Do you need to flip the direction for a moving charged particle in an current carrying conductor?
No, because current is always positive flow of charge
A square loop of current carrying conductor is placed between two permanent magnets. Explain the magnitude and direction of the force experienced.
AB and CD - perpendicular to the field to the magnetic field, and have the same magnitude of force, but opp. directions.
BC and AD will have magnitude of 0 because parallel to field.
If the loop was free to move, what would occur if it as left alone for a long time.
The loop will rotate in a circular motion at an equal distance from both sides, hence generating torque.
What is the formula for the force between parallel current carrying conductors?
F/L = mu i1 i2 //2pir
