Electromagnetism

Level 2 External

a ______ field is an area where magnetic material or a moving charge experiences a magnetic _____

magnetic, force

a _____-carrying wire generates a ______ field around the wire in radiating circles outward, according to the RH ___ rule

current, magnetic, grip

in the RH grip rule, the thumb point in the direction of _____ along the wire, while the closed fingers indicate direction of circular _______ field

current, magnetic

strength of a magnetic field generated by a current-carrying wire is determined by:

1. amount of _____ travelling through wire

2. _______ from wire

current, distance

in parallel wires, current in _______ (the same/different) direction/s will cancel out

the same

in parallel wires, current in _______ (the same/different) direction/s will reinforce

different

the magnetic field in the middle of a coil will ______

reinforce

the motor effect states that a current-carrying wire in a magnetic field will experience a ______ perpendicular to both _______ direction and lines of the magnetic _____, determined by the RH ___ rule

force, current, field, slap

in the RH slap rule:

1. thumb points in direction of ______

2. fingers point in direction of ______ _____

3. palm points in direction of _____

current, magnetic field, force

_____ on a current-carrying wire is determined by the formula F = BIL x N

force

what is the letter/symbol used for magnetic field strength?

B

magnetic field strength is measured ______, _

teslas, T