Electric Charges and Fields Quiz

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What are free electrons?

Electrons that can move relatively freely through the material (correct)

Electrons that are found in insulators

Electrons that are bound to atoms

Electrons that have a positive charge

Which of the following is a good conductor of electricity?

Wood

Aluminum (correct)

Glass

Rubber

What happens when a good conductor is charged in a small region?

The charge remains concentrated in the small region

The charge readily distributes itself over the entire surface of the material (correct)

The charge is unable to move to other regions of the material

The charge causes the material to become an insulator

What are the electrical properties of semiconductors?

Similar to insulators Signup and view all the answers

What are electrical insulators?

Materials in which all electrons are bound to atoms Signup and view all the answers

Electrical conductors are materials in which all of the electrons are bound to atoms.

False Signup and view all the answers

Good conductors readily distribute charge over the entire surface of the material when charged in a small region.

True Signup and view all the answers

Good insulators allow the charge to move to other regions of the material when charged in a small region.

False Signup and view all the answers

Semiconductors have electrical properties that are similar to insulators.

False Signup and view all the answers

Copper, aluminum, and silver are examples of good insulators.

False Signup and view all the answers

Electric Charges and Fields Quiz

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Questions and Answers

What are free electrons?

Which of the following is a good conductor of electricity?

What happens when a good conductor is charged in a small region?

What are the electrical properties of semiconductors?

What are electrical insulators?

Electrical conductors are materials in which all of the electrons are bound to atoms.

Good conductors readily distribute charge over the entire surface of the material when charged in a small region.

Good insulators allow the charge to move to other regions of the material when charged in a small region.

Semiconductors have electrical properties that are similar to insulators.

Copper, aluminum, and silver are examples of good insulators.

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