Electromagnetism Quiz

What is the fundamental force of nature that governs the interaction between electrically charged particles?

• Gravity

• Friction

• Electromagnetism

• Nuclear Force

What are the two types of electric charges?

• Positive and Negative

• Strong and Weak

• Static and Dynamic

• Light and Heavy

What do magnetic fields surround?

• All matter

• Electric currents only

• Magnets and moving electric charges

• Static electric charges

What does a moving electric charge create?

• An electric field

• A magnetic field

• A gravitational field

• A thermal field

What can induce an electric current?

• A moving magnet

• A static electric charge

• A changing magnetic field

• A constant magnetic field

What is induced EMF?

• The speed of electric charges

• The force exerted by a magnet

• The voltage produced by a changing magnetic field

• The resistance in a conductor

According to the second law of electromagnetism, what is the induced EMF proportional to?

• The distance from the conductor

• The strength of the magnetic field

• The rate of change of flux linkages

• The temperature of the conductor

Which of the following is NOT a device that utilizes electromagnetism?

• Transformer

• Thermometer

• Motor

• Generator

What is one application of electromagnets?

• Used in MRI machines

• Used in solar panels

• Used in wind turbines

• Used in batteries

What happens when a conductor is placed in a varying magnetic field?

• No current flows

• Induced current flows if the circuit is closed

• The magnetic field disappears

• The conductor heats up