Electricity & Magnetism Vocabulary

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Electricity

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A form of energy resulting from the existence of charged particles such as electrons or protons.

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Voltage

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The difference in electric potential between two points. It is measured in volts.

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Current

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The flow of electric charge. It is measured in amperes.

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Resistance

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A measure of the opposition to the flow of current in an electrical circuit. It is measured in ohms.

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Ampere

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The unit of electric current in the International System of Units (SI).

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Ohms

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The unit of electrical resistance in the International System of Units (SI).

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Watts

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The unit of power in the International System of Units (SI). It is equivalent to one joule per second.

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Ohm's Law

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A law stating that electric current is proportional to voltage and inversely proportional to resistance.

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Series Circuit

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An electric circuit with components arranged in a sequence so that the current flows through each component without branching.

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Parallel Circuit

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An electric circuit with multiple paths for the current to flow through.