An wire with a current of is oriented from parallel to a magnetic field with a strength of . What is the force on the wire?
A particle with a charge of is moving at perpendicularly through a magnetic field with a strength of . What is the magnitude of the force on the particle?
wire with a current of 
is oriented 
from parallel to a magnetic field with a strength of 
. What is the force on the wire?
is moving at 
perpendicularly through a magnetic field with a strength of 
. What is the magnitude of the force on the particle?