Understanding Magnetism and Electromagnetism

Which of the following metals is not considered ferromagnetic?

• Iron

• Copper

• Nickel

• Cobalt

What is the direction of a magnetic field line around a magnet?

• From North Pole to South Pole

• In a circular path around the magnet

• From South Pole to North Pole

• From East to West

What is the SI unit of magnetic flux density?

• Newton

• Tesla

• Watt

• Joule

Who discovered the relationship between electric current and magnetic fields?

• Hans Christian Oersted

• Albert Einstein

• Isaac Newton

• Michael Faraday

What rule helps determine the direction of the magnetic field around a current-carrying wire?

• Ampere's rule

• Faraday's rule

• Right-hand rule

• Left-hand rule

How can you identify the North Pole of an electromagnet?

• It is marked with a red color

• It is the end with the strongest magnetic field

• Electricity travels clockwise

• Electricity travels counter-clockwise

What causes the magnetic field in electromagnetism?

• The conductor itself

• The temperature of the conductor

• The motion of charges

• The material of the conductor

What is the Lorentz force?

• The force on a moving charge in a magnetic field

• The force on a stationary charge in an electric field

• The force between two stationary charges

• The force between two magnets

What path does a charged particle follow when moving perpendicular to a magnetic field?

• Straight line

• Elliptical path

• Circular path

• Random path

What happens to a charged particle's speed when it moves in a magnetic field?

• It becomes zero

• It remains constant

• It decreases

• It increases