Electricity

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10 Terms

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Electricity
describes all the phenomena caused by positive and negative charges.
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Electrical charge
is a property of protons and electrons. A proton carries a positive charge, while an electron carries a negative a charge.
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The negatively charged body…
…contains more electrons than protons.
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What is a coulomb?
it is the unit of measurement for electrical charge.
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Electrical charges of like signs…

Electrical charges of opposite signs…
…repel each other.

…attract eachother.
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What is electrical force?
It is force at work in the attraction or repulsion between charges is called the electrical force.
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What is charging an object?
charging an object consists in creating an imbalance in the electrical charge of that object.
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A conductor…
…is a substance that permits the free flow of electrical charges.
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An insulator…
…is a substance that impedes the free flow of electrical charges.
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Static electricity …
describes all the phenomena related to electrical at rest.