12.3 Flashcards
Circuit Diagrams
1
Q
What does a circuit consist of?
A
We know that an electric circuit, as shown in comprises a cell (or a battery), a plug key, electrical component(s), and connecting wires.
2
Q
Cell
A
———– +|I - ————-
3
Q
Battery
A
———– + |I|I|I|I - ————
4
Q
plug key / switch (open)
A
————( )————–
————.______———-
5
Q
plug key / switch (closed)
A
————(.)—————-
————.______.———
6
Q
wire joint
A
|
_____O_____
7
Q
wires crossing without joining
A
|
——-(——-
|
8
Q
bulb
A
( V )
___________\ /__________
9
Q
resistor of resistance R
A
—–^^^^^^^^—-
10
Q
variable resistor / rheostat
A
arrow going through resistor or pointing to it
11
Q
Ammeter
A
———-+(A)_——–
12
Q
Voltmeter
A
———-+(V)_——–
