# Definition Of Magnetism Quiz

10 Questions | Total Attempts: 112  Settings  A review of chapter 21.

• 1.
A compass points north because
• A.

There are more magnetic materials in the north.

• B.

That is the only directionin which it can point.

• C.

It is repelled by the South Pole.

• D.

It aligns with Earth's magnetic field.

• 2.
Where is the field of a magnet strongest?
• A.

Near the north pole

• B.

Near the south pole

• C.

Near both poles

• D.

Near the middle

• 3.
If you cut a magnet in half, you have
• A.

No magnets.

• B.

Two half magnets.

• C.

One magnet.

• D.

Two magnets.

• 4.
A magnet's field lines always start near the magnet's
• A.

Middle.

• B.

South pole.

• C.

North pole.

• D.

Side.

• 5.
A ferromagnetic material is
• A.

Always a magnet.

• B.

A magnet if its domains are aligned.

• C.

A magnet if its domains are not aligned.

• D.

Never a magnet.

• 6.
An iron bar is placed in a solenoid to
• A.

Decrease the voltage.

• B.

Increase the voltage.

• C.

Increase the magnetic field strength.

• D.

Decrease the magnetic field strength.

• 7.
Which of these cannot increase the strength of an electromagnet?
• A.

Making the loops smaller in the coil

• B.

Placing an iron bar in the coil

• C.

Winding more loops in the coil

• D.

Increasing the current in the coil

• 8.
An electric generator converts
• A.

Electrical energy into mechanical energy.

• B.

Power into energy.

• C.

Mechanical energy into electrical energy.

• D.

Energy into power.

• 9.
What effect does a magnetic field have on a charge moving perpendicular to the field?
• A.

It has no effect.

• B.

It pulls the charge forward.

• C.

It pushes the charge backward.

• D.

It pushes the charge perpendicularly to the field and the charge's velocity.

• 10.
A galvanometer is a device used to measure
• A.

Current.

• B.

Resistance.

• C.

Voltage.

• D.

Magnetic field strength.

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