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Year 8 Electricity And Magmetisim > Revision > Flashcards

Revision Flashcards

1
Q

Ammeter?

A

Used to measure electrical current

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2
Q

Ohmmeter

A

Used to measure electrical resistance

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3
Q

Voltmeter

A

Used to measure potential difference

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4
Q

Amps (A)

A

Unit of measurement for electrical circuit

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5
Q

Ohms

A

Unit of measurement for electrical resistance

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6
Q

Volts (V)

A

Unit of measurement for potential difference

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7
Q

LED

A

Light emitting Diode

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8
Q

LDR

A

Light dependant resistor

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9
Q

Electrons

A

An object becomes negatively charged when it gains these

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10
Q

Insulator

A

A material that doesnt allow the flow of charge through it

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11
Q

Charged atom

A

When there is a difference between the number of protons and elctrons

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12
Q

Positive charge

A

Less electrons than protons

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13
Q

Negative charge

A

More electrons than protons

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14
Q

Static electricty

A

Generated when an object becomes charged

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15
Q

Electric discharge

A

The rapid transfer of electrons from one object to another

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16
Q

Potential difference

A

The difference between the electric potential at two points in a circuit

17
Q

Electrical current

A

The flow of electrical charge (measured in amps)

18
Q

Resistance 

A

The opposition to the flow of electrons in a circuit (measured in ohms)

19
Q

Electric power

A

The rate at which electrical energy is either produced or consumed

20
Q

Series circuit

A

Only one path of which electrons can flow

21
Q

Parallel circuit

A

More than one path of which electrons can flow

Year 8 Electricity And Magmetisim (1 decks)

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