circuits + currents Flashcards

1
Q

what is a current

A

the amount of charge flowing per second

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

what happens to particles when you complete a circuit

A

charged particles or charges move in the metal wires

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

what does the switch dp

A
  • opens and closes a gap in the circuit
  • gas must be closed to make a complete circuit for current to flow
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

electricity is actually

A

electric current

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

what pushes charges around the circuit

A

cell/battery

  • it doesn’t produce them they were already in the wires
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how do you create an electric field in the wire

A

when you connect the battery

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

in a metal what are the charged particles that move called

A

electrons

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

how do you measure current through a component

A

ammeter - connected in the circuit with the component

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

what symbol is this ⎼| ⎮⎼

A

cell

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

what symbol is this ⎼⎸⎮—-⎸⎮⎼

A

battery

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

what symbol is this -○/○-
-○\ ○-

A

closed switch (top)
open switch (bottom)

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

what symbol is this -☒-

A

lamp

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

what symbol is this -Ⓜ-

A

motor

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

what symbol is this -Ⓐ-

A

ammeter

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

what symbol is this ◡
| |

A

buzzer

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

what is current measured in

A

amperes or amps (A)

17
Q

what are multiple cells working together called

A

battery

18
Q

what is resistance

A

how difficult it is for current to flow through a component in a circuit