Magnetism and Electromagnetism Quiz

What is the formula for the magnetic force acting on a moving charge in a magnetic field?

• F=qvBsinθ

• F=ma

• F=qE

• F=IR

Who first formulated the concept of the Lorentz Force?

• Isaac Newton

• James Clerk Maxwell

• Michael Faraday

• Nikola Tesla

What factor does NOT affect the magnetic force experienced by a current-carrying wire in a magnetic field?

• The length of the conductor

• The strength of the magnetic field

• The voltage applied to the wire

• The current flowing through the wire

What is magnetism?

• A property that allows materials to conduct electricity

• A property that enables materials to attract or repel other materials

• The ability of materials to generate heat

• The force that holds atoms together

What are the two poles of a magnet called?

• Positive and negative

• North and South

• Left and right

• Magnetic and electric

Which of the following is an example of a natural magnet?

• Bar magnet

• Ring magnet

• Lodestone

• Electromagnet

What is an electromagnet?

• A naturally occurring magnetic material

• A magnet that generates electricity

• A magnet created by wrapping a wire around iron and passing current through it

• A magnet that does not lose its magnetic properties over time

What type of magnetism is exhibited by materials like iron, cobalt, and nickel?

• Paramagnetism

• Diamagnetism

• Ferromagnetism

• Electromagnetism

Who was the first person to investigate the phenomenon of magnetism and discover that Earth is a magnet?

• Michael Faraday

• Hans Christian Oersted

• William Gilbert

• James Clerk Maxwell

What is the unit of magnetic flux?

• Tesla

• Weber

• Coulomb

• Joule