Understanding Potential Difference and Electric Potential

What is potential difference often referred to as?

• Voltage

• Current

• Resistance

• Power

Which device is used to measure potential difference?

• Voltmeter

• Ammeter

• Ohmmeter

• Thermometer

What is the formula for potential difference in a circuit?

• V = I x R

• V = I / R

• V = R / I

• V = I + R

What is the unit of potential difference?

• Volt

• Ampere

• Ohm

• Joule

What does one volt represent in terms of energy and charge?

• One joule per coulomb

• One coulomb per joule

• One ampere per ohm

• One ohm per ampere