Ch. 24

The force that acts between a pair of electrically-charged particles depends on

In general, a common magnet has

Surrounding every moving electron is

Surrounding every magnet is

The end of a compass needle that points to the south pole of a magnet is the

In the atoms of most materials the fields of individual electrons

When current reverses direction in a wire, the surrounding magnetic field

A beam of electrons passing through a magnetic field experiences maximum deflection if the direction of the beam is

A superconducting magnet uses

If a magnet produces a force on a current-carrying wire, the wire

Which force field can accelerate an electron?

A galvanometer indicates

A beam of singly-charged ions entering a magnetic field are swept into circular paths. The wider paths are those of

The direction of the force exerted on a moving charge in a magnetic field is

The intensity of cosmic rays bombarding the Earth's surface is most at the

Biomagnetism has been detected in

Magnetic compasses reportedly were first used for navigation by

If you break a bar magnet in half you'll

The conventional direction of magnetic field lines outside a magnet are from

A compass needle in a magnetic field

Wood does not have magnetic properties because it contains no

A current-carrying loop of wire experiences no tendency to rotate in a magnetic field when

The shape of a magnetic field surrounding a current-carrying conductor is

The lift experienced by Maglev trains is due to magnetic

Into which stable force field can a proton be placed at rest without being acted upon by a force?

No net force acts on a loop of wire in a magnetic field when

Magnet A has twice the magnetic field strength of Magnet B and at a certain distance pulls on magnet B with a force of 100 N. The amount of force that magnet A exerts on magnet B is

Pigeons navigate primarily by

Whereas electric charges can be isolated, magnetic poles

Magnetic fields are produced by

Place an iron rod inside a current-carrying coil of wire and you

A galvanometer can be calibrated to measure

Although a magnet can change the direction of travel of an electron beam, it cannot change its

Earth's magnetic field is

The source of all magnetism is

Surrounding every stationary electron is

The magnetic fields of a pair of nearby magnets can

An iron nail is more strongly attracted to the

When a current-carrying wire is bent into a loop, its magnetic field inside the loop

As the number of loops in a current-carrying wire is increased, the

A current-carrying coil of wire is

A current-carrying wire in a magnetic field

An aurora borealis high above the atmosphere is due to