Mini-Quiz: Basic Units of Simple Electric Circuits

1. What is an ampere?

   It is the potential energy across two infinite wiresSorry, not correct. Try another button. It is the unit of electric currentThat is correct. You understand electric units. It is the total number of electrons in a wireGood try, but not right. Select another answer.

2. What is the relationship of volts and energy?

   A volt is a joule of energy per coulomb of chargeCorrect. You are doing a great job. Volts have nothing to do with energyOops! Wrong answer. Re-read the question and try again. The energy of volts creates resistance in ohmsSorry, not correct. Try another button.

3. What is an ohm the measurement of?

   Resistance to electric currentThat is correct. You understand electric units. Resistance to electric voltageGood try, but not right. Select another answer. Energy in a wireSorry, not correct. Try another button.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.