Which of the following is an accurate statement? a.) Magnetic field lines have a
ID: 2119042 • Letter: W
Question
Which of the following is an accurate statement?
a.) Magnetic field lines have as their sources north and south poles.
b.) A magnetic field line is, by definition, tangent to the direction of the magnetic force on a moving charge at a given point in space.
c.) A current carrying loop of wire tends to line up with its plane parallel to an external magnetic field in which it is positioned.
d.) The magnetic force on a current carrying wire is greatest when the wire is parallel to the magnetic field.
e.) The magnetic force on a moving charge does not change its energy.
Explanation / Answer
E) The magnetic force on a moving charge does not change its energy.