Module 7: Magnetism Quiz

What is the SI unit for magnetic field strength?

• Newton

• Tesla

• Ampere

• Coulomb

What does the right-hand rule determine in the context of magnetism?

• The direction of the magnetic field

• The magnitude of the magnetic force

• The direction of the magnetic force

• The strength of the magnetic field

What happens to the domains in ferromagnetic materials when magnetized?

• They disappear

• They align in one direction

• They shrink

• They become randomized

What is the effect of the Curie temperature on ferromagnetic materials?

• Enhances conductivity

• Decreases electrical resistance

• Destroys the alignment of domains

• Increases magnetism

What is the relationship between electric currents and magnetism?

• Magnetism can generate electric currents

• Currents decrease magnetic fields

• Currents can generate magnetic fields

• Magnetism has no effect on currents

How do magnetic poles interact?

• Unlike poles repel

• All poles attract

• Like poles attract

• Like poles repel

What is true about magnetic monopoles?

• They are the only type of magnetic pole

• They do not exist

• They can be created in a laboratory

• They exist and can be isolated

What is the primary cause of magnetism in materials?

• Thermal energy

• Electric currents

• Electrical resistance

• Gravitational forces

What is the geographic north pole of Earth also known as?

• The equatorial north

• The magnetic north pole

• The magnetic south pole

• The true north

What describes the motion of a charged particle in a magnetic field?

• Linear motion

• Circular motion

• No motion

• Random motion