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Physics: Heat & Energy > Electricity > Flashcards

Electricity Flashcards

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1
Q

Electron

A

Part of the atom with a negative electrical charge

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2
Q

Proton

A

Part of the atom with a positive electrical charge

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3
Q

Neutron

A

Part of the atom with a neutral electrical charge

Think Neutral Ion
Ion - electrically-charged partical

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4
Q

Ion

A

Electrically-charged particles

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5
Q

Law of charges

A

Opposite charges attract similar charges repel

Think + and - sides of a magnet!

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6
Q

Static electricity

A

Stationary electrical charge

Stationary- Not moving

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7
Q

Valence electrons

A

Outermost electrons in an atom

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8
Q

Electrical conductor

A

Material that allows electrons to flow easily

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9
Q

Electrical Insulator

A

Material that resists the flow of electrons

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10
Q

Semiconductor

A

Material that allows a small amount of electricity to flow

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11
Q

Integrated Circuit

A

Electrical circuit built in semiconducting material

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12
Q

Transistor

A

A switch or gate that allows electricity to flow in a semiconductor

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13
Q

Lightning

A

Sudden discharge of electricity

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14
Q

Thunder

A

Sonic boom caused by rapidly expanding air

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15
Q

Current

A

Movement of electrons from an area of higher electrical potential to an area of lower electrical potential

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16
Q

Circuit

A

Complete circular path that allows electrons flow

17
Q

Battery

A

Device that supplies electrons through a chemical reaction

18
Q

Switch

A

Device that controls the flow of electrons by opening and closing the circuit

19
Q

Voltage

A

Electrical force that causes electrons to flow

20
Q

Power

A

Measure of how fast work can be accomplished

21
Q

Electrical Power

A

Voltage times current, a measure of how much current can be supplied in a given time.

P=I•V

22
Q

Difference Between Power and Voltage

A

Voltage is the force that causes the flow of electrons

Power is the measure of how many electrons are moving and at what rate

23
Q

How Electrical Flow Works

Voltage-Currant-Power

A

Voltage causes electrons to move and currant moves the electrons to a place of high electrical potential to a place of low electrical potential.

24
Q

3 pats of an atom

A

Proton, electron, and neutron

25
Q

Resistance

A

How much a material resists or slow down flow of electrons

26
Q

Parallel Circuit

A

Circuit with multiple paths for currant to flow

27
Q

Series circuit

A

Circuit with only only one path for current to flow 

Physics: Heat & Energy (6 decks)

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