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CH 22-3
Another way of doing the Right-hand Rule
for Magnetic Force
Point your thumb in the direction of the velocity of the
charged particle, point your fingers in the direction of the
magnetic field, then our palm faces the direction of the
force on the particle.
Poll
Poll
Poll
Poll
Magnetic Torque on a Dipole
What will a magnetic dipole due when it is in a uniform
magnetic field and released from rest?
N
S
B-field
If the dipole is on a frictionless
pivot, describe its motion.
Magnetic Torque on a Coil
Which way will the loop rotate if the current flows into
the page at the top of the loop?
B-field
Magnetic Force on a Wire
B
I
What is the direction of the
force of the magnetic field on
the wire?
Explaining the Magnetic Torque on a Coil
Sketch the forces on the top and bottom of the loop if
the current at the top is into the page.
B-field
Electric Motor
MRI (Magnetic Resonance Imaging)