Ohm's Law Quiz

Which of the following represents the rate of the flow of electricity, expressed in unit of amps?

• current

• circuit

• voltage

• resistance

Which of the following represents the opposition presented to the current by a material or device, measured in ohms?

• current

• resistance

• voltage

• electricity

Which of the following represents the potential difference between two points, measured in volts?

• voltage

• current

• electricity

• resistance

In the model, what do the arrows represent?

• The flow of current

• The flow of resistance

• The flow of voltage

• The flow of positrons

In the model, what does the lightbulb represent?

• electricity

• current

• voltage

• resistance

In the model, what does the battery represent?

• voltage

• current

• circuit

• resistance

Based on this model, what change should be made in order to increase the current?

• Close the switch

• Add another battery

• Add another lamp

• Remove a wire

What is the formula for voltage?

• V = (I x R) / 2

• V = I / R

• V = R / I

• V = I x R

What is the formula for current?

• I = V / R

• I = R / V

• I = V x R

• I = (V x R) / 2

What is the formula for resistance?

• R = I / V

• R = V / I

• R = V x I

• R = (V x I) / 2