electricity Flashcards

1
Q

a material that allows electrons to move easily through it

A

conductor

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2
Q

flow of electrons through a wire or any conductor

A

current

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3
Q

power source that acts as an electron pump and generates electric current by a chemical reaction

A

dry cell

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4
Q

area surrounding an electron that exerts a force or anything nearby with an electric charge

A

electric field

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5
Q

the rate at which electrical energy is converted to another form of energy

A

electrical power

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6
Q

device containing two suspended metal leaves in a jar that move apart when charged

A

electroscope

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7
Q

material that does not allow heat or electrons to move through it

A

insulator

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8
Q

unit of electrical energy

A

kilowatt-hour

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9
Q

states that potential difference= current•resistance

A

ohms law

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10
Q

electrical circuit where current flows through more than one path

A

parallel circuit

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11
Q

the difference in electrical potential energy between two different points

A

potential difference

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12
Q

opposition to the flow of electrons through a conductor

A

resistance

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13
Q

electrical circuit where the current has only one path

A

series circuit

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14
Q

net buildup of electrical charges of an object

A

static electricity

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15
Q

power source that generates electric current by a chemical reaction

A

wet cell

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16
Q

closed path through which electrons flow

A

circuit