Ohm’s Law

What is the unit of electric current?

• Ohm

• Volt

• Ampere

• Watt

What does resistance do in a circuit?

• Increases current

• Blocks voltage

• Limits current flow

• Stores electric charge

What is the correct formula for Ohm’s Law?

• V = P x I

• V = I x R

• R = V + I

• I = V x R

Tags

CCSS.8.EE.C.7B

Voltage = 12V, Resistance = 6Ω. What is the current?

• 18 A

• 2 A

• 72 A

• 0.5 A

Tags

CCSS.7.NS.A.1C

What does voltage represent?

• Speed of electrons

• Resistance

• Potential difference

• Amount of charge

If resistance increases and voltage stays the same, current will...?

• Decrease

• Increase

• Stay the same

• Double

Tags

CCSS.8.EE.C.7B

In Ohm’s Law, what does “I” stand for?

• Intensity

• Current

• Impedance

• Internal voltage

What is the unit of resistance?

• Volt

• Amp

• Ohm

• Watt

Voltage = 24V, Current = 3A. What is the resistance?

• 72 Ω

• 21 Ω

• 8 Ω

• 27 Ω

Tags

CCSS.8.EE.C.7B