Electromagnetism Quiz

What is the force a magnet exerts on iron or similar metal?

• Frictional force

• Magnetic force

• Electric force

• Gravitational force

What are the regions in a magnet where the magnetic force is strongest called?

• Magnetosphere

• Magnetic poles

• Magnetic domains

• Magnetic fields

Which poles of magnets repel each other?

• North-North

• North-South

• Negative-Positive

• Positive-Negative

What is a region in which many atoms have their magnetic fields aligned called?

• Magnetosphere

• Magnetic poles

• Magnetic domains

• Magnetic fields

Which material can be magnetized because it contains magnetic domains?

• Ferromagnetic

• Non-magnetic

• Diamagnetic

• Paramagnetic

What is the force associated with charged particles?

• Frictional force

• Gravitational force

• Electric force

• Magnetic force

What is a coil of current carrying wire called?

• Electromagnet

• Generator

• Transformer

• Solenoid

What are the TWO factors that determine the strength of an electromagnet?

• Number of coils

• Voltage

• Resistance

• Current

What device changes electrical energy into mechanical energy?

• Electric motor

• Generator

• Solenoid

• Transformer

What type of current do electric generators produce?

• None of the above

• Both direct and alternating current

• Alternating current

• Direct current