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Mini-Quiz: Basics of Electricity

by Ron Kurtus (updated 30 May 2023)

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

1. How do electrons become free electrons?

All electrons are free

The electrons become ionized

They may be knocked from orbit by radiation effects

2. Why are some materials nonconductors of electricity?

Their configuration inhibit the motion of free electrons

They reject free electrons from their surfaces

No one knows for sure

3. How does electricity flow in a vacuum?

Electrons or charged particles speed across space, usually toward an opposite charge

You can easily change its voltage

It goes in both directions

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.

Have an electric smile

Resources and references

Ron Kurtus' Credentials


Electrons in Metal Simulation - From the University of California in Santa Cruz

DC and AC Electricity Resources

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