Electricity Review

Resistance is measured in ___. 

• watts. 
• amps.
• ohms.

the tendency for a material to oppose the flow of electrons

• current
• circuit
• resistance
• difference

Which one, top or bottom, offers more resistance?

• top

• bottom

• neither

the current in the conductor

• R1=R2

• R1 > R2

• R2 > R1

• NONE OF THE ABOVE

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What effect does a hotter temperature have on resistance?

• No effect

• Increases resistance

• Decreases resistance

• Stays the same

Which two particles are attracted to each other?

• Two neutrons

• A proton and an electron

• Two protons

• An electron and a neutron

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What happens to the electric force between two charges when the distance is tripled?

• 3 times less electric force

• 3 time more electric force

• 9 times less electric force

• 9 times more electric force

Tags

NGSS.HS-PS2-4

What is the SI unit for charge?

• Joules

• Coulombs

• Newtons

• Meters

Tags

NGSS.HS-PS2-4

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• decreases;directly
• decreases;inversely
• increases;inversely
• increases;directly

Tags

NGSS.HS-PS2-4

Electrical forces are stronger than gravitational forces.

• True

• False

Tags

NGSS.HS-PS2-4