Magnetism

Front

What causes magnetism?

Back

moving charges

Front

Which of the following is NOT naturally magnetic?

iron

,

copper

,

nickel

,

cobalt

Back

copper

Front

Which drawing is correct? Options: 1, 2, 3, 4

Back

3

Front

Where is the magnetic field strongest around a bar magnet?

Back

at the poles

Front

How can a wire become magnetic?

Back

run a current through it

Front

What is this? Options: electromagnet, permanent magnet, motor, generator

Back

electromagnet

Front

What does the direction of the pointing fingers mean in this picture? Options: the direction of the voltage, the rotation of the wire, the direction of the magnetic field, the direction of the current

Back

the direction of the magnetic field

Front

How could you make a stronger electromagnet?

Back

All three: more coils of wire, add an iron core, more current in the wire.

Front

Back

each piece still has a N and S

Front

What experiences a magnetic force in a magnetic field?

Back

a moving charged object