Hafsa's Assesment

Magnets always attract all types of metals

• true

• false

Temporary magnets lose their magnetism once the external magnetic field is removed

• true

• false

Opposite poles of a magnet repel each other

• true

• false

The strength of a magnetic field increases as you move farther from the magnet

• false

• true

Electromagnets can be turned on and off by controlling the electric current

• false

• true

In a solenoid, increasing the number of wire loops strengthens the magnetic field

• false

• true

What is the area around a magnet where magnetic forces act called

• Magnetic current

• Magnetic circuit

• Magnetic field

• Electric field

Which of the following materials is NOT magnetic?

• Iron

• Nickel

• Copper

• Cobalt

When two like poles of a magnet are placed close to each other, what happens?

• They attract

• They repel

• They lose their magnetism

• They become electromagnets
  

What device is used to determine direction using Earth’s magnetic field?

• Barometer

• Compass

• Thermometer

• Seismometer