Electric Charge and Properties Quiz

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Questions and Answers

What is electric charge?

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

What are the two types of electric charge and which subatomic particles carry them?

Electric charge can be positive or negative, commonly carried by protons and electrons respectively, by convention.

What happens when like charges are placed near each other? And unlike charges?

Like charges repel each other and unlike charges attract each other.

What is the term for an object with no net charge?

An object with no net charge is referred to as electrically neutral. Signup and view all the answers

What is the net charge of an isolated system and is it conserved?

The net charge of an isolated system is the quantity of positive charge minus the amount of negative charge, and it is a conserved property. Signup and view all the answers

Explain the concept of electric charge and its effect on matter in an electromagnetic field.

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. It can be positive or negative, and like charges repel each other while unlike charges attract each other. Signup and view all the answers

What is classical electrodynamics and when is it still accurate?

Classical electrodynamics is the early knowledge of how charged substances interact and is still accurate for problems that do not require consideration of quantum effects. Signup and view all the answers

How is electric charge conserved in an isolated system?

Electric charge is a conserved property, meaning the net charge of an isolated system, the quantity of positive charge minus the amount of negative charge, cannot change. Signup and view all the answers

Which subatomic particles carry negative and positive charge in ordinary matter?

In ordinary matter, negative charge is carried by electrons, and positive charge is carried by the protons in the nuclei of atoms. Signup and view all the answers