Electricity Flashcards

1
Q

The accumulation of excess electric charge on an object.

A

Static Electricity

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2
Q

Charge can be transferred from object to object but it cannot be created or destroyed.

A

Law Of Conservation Of Charge

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3
Q

A material in which electrons are able to move easily.

A

Conductor

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4
Q

A material in which electrons are not able to move easily.

A

Insulator

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5
Q

The process of transferring charge by touching or rubbing.

A

Charging By Contact

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6
Q

The rearrangement of electrons on a neutral object caused by a nearby charged object.

A

Charging By Induction

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7
Q

The net movement of electric charges in a single direction.

A

Electric Current

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8
Q

Related to the force that causes electric charges to flow.

A

Voltage DIfference

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9
Q

A closed path that electric Current follows.

A

Circuit

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10
Q

The tendency for a material to oppose the flow of electrons.

A

Resistance

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11
Q

The current in a circuit equals the voltage DIfference divided my resistance.

A

Ohm’s Law

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12
Q

the current has only one loop to flow through.

A

Series Circuit

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13
Q

Contains two or more branches for current to move through.

A

Parallel Circuit

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14
Q

The rate at which electrical energy is converted to another form of energy.

A

Electric Power

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15
Q

Contains two connected plates and made of different metals.

A

Wet Cell Battery

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16
Q

This is used in portable electric devices.

A

Dry Cell Batteries

17
Q

A strip or wire of metal inserted in an electric circuit.

A

Fuse

18
Q

An electrical switch designed to protect an electrical circuit.

A

Circuit Breaker

19
Q

A method of measuring the rate of energy.

A

Watts

20
Q

The unit of electric unit.

A

Amperes