Quiz #5 (Electromagnetism)

What is the indicator that electric current is flowing through the wire?

• The wire heats up

• The wire changes color

• A light bulb lights up

• The wire makes a sound

Why do you think it is called a pickup coil?

• It picks up sound

• It picks up magnetic fields

• It picks up light

• It picks up heat

What are the two major components/fields of an electromagnet?

• Electric field and magnetic field

• Gravitational field and electric field

• Magnetic field and gravitational field

• Thermal field and electric field

When the current is moving through the system, what is it creating?

• Heat

• Light

• Magnetic field

• Sound

What changes when you increase the voltage of the battery?

• The current decreases

• The magnetic field weakens

• The current increases

• The light bulb dims

An electric current is

• A continuous flow of electric charge

• An irregular flow of electric charge

• Only found using insulators

• Just wires connected to a magnet

The area around a magnet is called the .....

• attraction zone

• work area

• magnetic field

• hot zone

Tags

NGSS.3-PS2-3

What surrounds every charge?

• an electric shell

• an angry garden gnome

• a pulse zone

• an electric field

What does this image show?

• Parallel circuit

• Series circuit

• Magnet

• Electromagnet

What happens when an electric current flows through a wire?

• The wire begins to spin.

• Nothing happens.

• A field of gravity is created around the wire.

• A magnetic field is created around the wire.