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English 30 Public

Electrical Fundamentals

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Define electricity.

The movement of free electrons

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Electrons are ______________ charged particles.

negatively

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Protons are ___________ charge particles.

positively

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A substance that allows the flow of free electrons.

Conductor

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A substance that resists or stops the flow of electrons.

Insulator

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If a conductor has excess electrons it has a __________ charged.

Half

Full

Negative

Positive

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Electricity has 3 basic functions to produce ________, _________, and _________.

light, heat, and motion

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Define Ohm's Law

The relationship between voltage, current, and resistance.

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A group of one type of atom is a ____________

element

atom

compound

matter

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Anything in the universe that occupies space ad has weight is __________

element

molecule

matter

compound

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When a component uses less than one or two volts for operation it is _________

electronic

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Electrical devices can do the job of mechanical devices _________ quickly and efficiently

less

even

more

same

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Magnetism is an atomic _________ that can attract or repel ferrous substances through space, air, or solid matter

Force

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Like charges ______ each other

Repel

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Unlike charges _______ each other

attract

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Name the 3 parts of a simple circuit.

Power source, conductor, and Load

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