What is electric charge?
Quick Answer
Electric charge is a fundamental property of matter that causes it to experience electromagnetic forces. There are two kinds, positive and negative charge.
The Full Story
Electric charge is one of the most basic properties in physics and is measured in coulombs. Like charges repel and opposite charges attract, which is why electrons and protons bind atoms together while electrons can also move to create electric current. The unit charge of a proton is equal in size and opposite in sign to that of an electron. Charge is conserved, meaning it cannot be created or destroyed in an isolated system. This conservation law is one of the most reliable principles in physics.
Key Facts
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"The property that makes electricity and chemistry work"
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