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Mini-Quiz: Direct Current (DC) Electricity

by Ron Kurtus (updated 30 May 2023)

Take this Mini-Quiz to check your understanding of the lesson material.

1. Why does DC current go in the opposite direction of the flow of electrons?

Electrons go back and forth in a DC circuit

Ben Franklin liked to do things backwards

It is an unfortunate convention established before the discovery of electrons

2. What is the equivalent to water pressure in DC electricity?

Flow of the water



3. What is a way to create DC electricity?

Use a lemon with copper and zinc wires

Use a lemon with either copper wires or zinc wires

You can't create DC electricity

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

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Resources and references

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Direct Current description - Simple illustrations of DC

Electricity - Difference between AC and DC

DC and AC Electricity Resources

Physics Resources


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