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Science > Circuits and Electricity > Flashcards

Circuits and Electricity Flashcards

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1
Q

What is a circuit?

A

A circuit is a complete path for electricity to flow without a break

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2
Q

What is current measured in?

A

Amps (A)

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3
Q

How many parts does an atom have?

A

Three (Proton, Neutron and Electron)

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4
Q

If there is high resistance what will the current be?

A

Small

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5
Q

If there is low resistance what will the current be?

A

Large

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6
Q

What is a Proton?

A

A positive electrical charge

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7
Q

What is a Neutron?

A

Neutral

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8
Q

What is an Electron?

A

A negative electrical charge

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9
Q

What is an Atom?

A

An atom is the building block of life, it makes up everything

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10
Q

How do Protons and Neutrons help electric current?

A

Protons and Neutrons are attracted to each other, because of this they travel from positive to negative

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11
Q

What dangers are present with electricity?

A

Shocks and death
Explosions and fire
Burns

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12
Q

What is a cell?

A

A cell is where electrical energy is stored

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13
Q

What do we measure current with?

A

An ammeter

This must be connected in series and should read the same at all points

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14
Q

What is current?

A

The amount of electricity flowing through a circuit

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15
Q

What is voltage?

A

This is the force of the current flowing through a circuit

It is measured in Volts (V)

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16
Q

What is resistance?

A

How easy or difficult it is for the current to flow through the circuit

17
Q

What two ways can circuits be made?

A

In series or in parallel

18
Q

If a circuit is in series what does this mean?

A

There is one path for the current to travel. If a component breaks then the circuit breaks and electricity stops flowing

19
Q

If a circuit is in parallel what does this mean?

A

The circuit has several paths, if a component breaks it will not break the entire circuit so electricity will continue to flow

20
Q

What is the purpose of a fuse?

A

A fuse overheats when there is too much current it does this to break the circuit and stop the flow of electricity

21
Q

How is voltage measured?

A

Using a voltmeter

A voltmeter is connected in parallel to the circuit

Science (1 decks)

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