DC and AC Current
Grade 8•45 minutes
Learning Objective
I can compare and contrast the characteristics of direct current (DC) and alternating current (AC).
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Define direct current (DC) and alternating current (AC). How does the flow of electrons differ between the two?
2. Describe the behavior of a DC circuit when a battery is connected. What happens to the current and voltage over time?
3. Explain what is meant by the term "polarity" in the context of DC. How does changing the polarity of a battery affect the current flow?
...and 4 more questions
Educational Video
Difference between AC and DC Current Explained | AddOhms #5
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