Electromagnetism Quiz

What is one of the four fundamental forces of nature?

• Weak force

• Strong force

• Gravitational force

• Electromagnetic force

What generates light and energy and holds atoms and matter together?

• Weak force

• Electromagnetism

• Strong force

• Gravitational force

What branch of physics studies the interactions between electric and magnetic fields?

• Astrophysics

• Electromagnetism

• Thermodynamics

• Quantum mechanics

What type of charges attract each other?

• Positive and negative

• Positive and positive

• Negative and negative

• Positive and zero

What forms when atoms gain a positive or negative charge through the transfer of electrons?

• Electric current

• Radio waves

• Magnetic field

• Electromagnetic field

What determines the intensity of electromagnetic radiation?

• Wavelength

• Velocity

• Frequency

• Amplitude

What is the name of the layer of liquid metals below the Earth's surface that generates electric currents and magnetic fields?

• Crust

• Outer core

• Mantle

• Inner core

What is the force that holds protons and neutrons together in the nucleus of an atom?

• Weak force

• Electromagnetic force

• Strong force

• Gravitational force

What is the term for the region around a magnet where the magnetic force is exerted?

• Magnetic field

• Magnetic pole

• Magnetic flux

• Magnetic induction

What is the term for the process by which an electric current is produced by a changing magnetic field?

• Electromagnetic induction

• Electromagnetic interference

• Electromagnetic radiation

• Electromagnetic spectrum