Module 6: Electricity

The negatively charged particles in an atom are called __.

• negatrons

• neutrons

• electrons

• protons

Tags

NGSS.HS-PS1-1

Positive charges flow from __.

• insulators to conductors

• low-resistance areas to high-resistance areas

• high-voltage areas to low-voltage areas

• low-voltage areas to high-voltage areas

Tags

NGSS.HS-PS3-5

Which is designed to transform electrical energy into thermal energy?

• battery

• series circuit

• parallel circuit

• resistor

Tags

NGSS.HS-PS3-3

What is the standard voltage difference of electrical energy entering homes in the United States?

• 220 V

• 1200 V

• 120 V

• 12 V

Which of these is necessary in order to make an electric circuit?

• a light bulb

• copper wire

• a closed path

• a battery

What is the current through this circuit?

• 0.80 A

• 1.25 A

• 30 A

• 120 A

What is the power consumed by the lightbulb in this circuit? (previous question circuit)

• 96 kW

• 1.25 W

• 96 W

• 1.25 kW

Tags

NGSS.HS-PS2-5

Electrical devices have resistance because they __.

• convert some electrical energy into thermal energy

• contain insulators

• are exposed to sunlight

• convert some thermal energy into electrical energy

Tags

NGSS.HS-PS3-4

Voltage difference is measured in __.

• amperes

• ohms

• watts

• volts

Resistance is the tendency of a material to promote the flow of electrons.

• True

• False