Physics topic P15 quiz - electromagnetism

What is the place on a magnet where the magnetic forces are strongest?

• North Pole

• South Pole

• Equator

• Center

What is the area around a magnet where a force acts on another magnet or magnetic material called?

• Magnetic field

• Electric field

• Gravitational field

• Radiation zone

What occurs when two like poles are brought close together?

• They repel each other.

• They attract each other.

• They have no effect on each other.

• They create a spark.

What occurs when two opposite poles are brought close together?

• They attract each other

• They repel each other

• They cancel each other out

• They have no effect on each other

What is a magnet that produces its own magnetic field called?

• A magnet that produces its own magnetic field is called a permanent magnet.

• Temporary magnet

• Electromagnet

• Induced magnet

This type of magnet only becomes magnetic when placed in a magnetic field called?

• permanent magnet

• induced magnet

• solenoid

Name the four magnetic materials mentioned in the image.

• Iron, Nickel, Cobalt, and Steel

• Copper, Aluminum, Silver, and Gold

• Plastic, Wood, Glass, and Rubber

• Water, Air, Soil, and Sand

What do compasses contain that points to the north pole of the Earth's magnetic field?

• Compasses contain a magnetized needle that aligns itself with the Earth's magnetic field, pointing towards the north pole.

• Compasses contain a small electric motor that points towards the north pole.

• Compasses contain a GPS device that indicates the direction of the north pole.

• Compasses contain a laser pointer that shows the direction of the north pole.

What is a solenoid containing an iron core that increases its strength called?

• A solenoid containing an iron core that increases its strength is called an electromagnet.

• A solenoid containing an iron core that increases its strength is called a transformer.

• A solenoid containing an iron core that increases its strength is called a capacitor.

• A solenoid containing an iron core that increases its strength is called a resistor.

What is the name of the effect produced between a conductor carrying a current within a magnetic field and the magnet producing the field called?

• The dynamo effect

• The coulomb effect

• The motor effect

• The magnetic effect