QUIZ #1 - MAGNETISM AND ELECTROMAGNETIC INDUCTION

What is magnetism?

• The attraction of certain materials towards each other

• The repulsion of certain materials from each other

• The creation of electric current in a conductor

• The flow of electrons through a circuit

Which of the following is NOT a kind of magnet?

• Ferromagnet

• Artificial magnet

• Natural magnet

• Electromagnet

What are materials that are attracted by magnets or can be magnetized called?

• Nonmagnetic materials

• Diamagnetic materials

• Ferromagnetic materials

• Magnetic fields

Which of the following is NOT an example of a magnetic material?

• Iron

• Copper

• Nickel

• Cobalt

What is Faraday's Law of Electromagnetic Induction?

• Like magnetic poles repel each other

• Unlike magnetic poles attract each other

• A changing magnetic field induces an electric current in a conductor

• Magnetic lines of force originate from the South Pole of a magnet

How many magnetic poles does every magnet have?

• One

• Two

• Three

• Four

Which of the following is NOT an application of electromagnetic induction?

• AC ammeter

• Metal detectors

• DC motor

• AC generator

What is the condition found in the region around a magnet or an electric current, characterized by the existence of a detectable magnetic force at every point in the region and by the existence of magnetic poles?

• Electric field

• Magnetic field

• Induction field

• Gravitational field

Who carried out the induction experiment in the UK during the 1800s?

• Michael Faraday

• Joseph Henry

• Nikola Tesla

• Thomas Edison

Which material is NOT magnetic?

• Steel

• Brass

• Nickel

• Alnico