Circuit Symbols Flashcards

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

What is a cell?

A

A cell pushes the elctrons around a complete circuit.

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

What is a switch

A

A switch enables you to break and complete a circuit, so turn on and off.

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

What is a bulb?

A

Emits light when current flows through it.

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

What is a fixed resistor ?

A

It limits the current in a circuit

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

What is a variable resistor ?

A

It allows the current in a circuit to be varried.

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

What is a thermistor ?

A

It allows the current depending on the temperature.

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

What is a fuse?

A

It is designed to melt and break the circuit if the current is too great.

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

What is a diode?

A

It allows current through in only one direction.

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

What is an LED?

A

It emits light when current passes through it.

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

What is an (LDR) light-dependent resistor?

A

It decreases in resistance as light intensity increases.

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

What is an ammeter?

A

It is used to measure electric current (amps).

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

What is a voltmeter?

A

It is used to measure electric potential difference (voltage).

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