Electricity Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What are the 3 types of particles that make up an atom?

A

Protons (with a positive charge)
Electrons (with a negative charge)
Neutrons (with no charge)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How is electricity start?

A

When charged particles move.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a conductor?

A

Material through which electrons can flow easily.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Give 2 examples of conductors.

A

Metals and graphite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is an insulator?

A

Material through which electrons struggle to flow through.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Give 3 examples of insulators.

A

Rubber, plastic, glass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is an electric current?

A

Flow of charge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How is the flow of charge created?

A

By the movement of electrons in the circuit.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The circuit must be open/closed in order for electrons to flow.

A

Closed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a series circuit?

A

Circuit with a single loop.

If 1 component breaks, the whole circuit is broken.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Individual lamps can/cannot be switched on in a series circuit.

A

Cannot.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a parallel circuit?

A

Circuit with more than one loop.

If 1 component breaks, current can still flow.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Individual lamps can/cannot be switched on in a parallel circuit.

A

Can.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is current (I) measured in?

A

Amperes (A).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What equipment is used to measure amperes?

A

Ammeter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is current?

A

Rate at which charge flows in a circuit.

17
Q

What is current strength?

A

How much charge is flowing through a point in the circuit per second.

18
Q

What is potential difference?

A

The energy required between 2 points in a circuit.

19
Q

What is voltage measured in?

A

Volts (V).

20
Q

What equipment is used to measure volts?

A

Voltmeter.

21
Q

An ammeter is placed in/around a component in the circuit.

A

In.

22
Q

A voltmeter is placed in/around a component in the circuit.

A

Around a component.

23
Q

In what direction does conventional current flow?

A

Positive to negative.

24
Q

In what direction does electron flow flow?

A

Negative to positive.