Symbols Flashcards
(16 cards)
1
Q
Cell
A
2
Q
Cell
A
3
Q
Battery
A
4
Q
PTM Switch
A
5
Q
Switch off
A
6
Q
Switch on
A
7
Q
Resistor
A
8
Q
Variable resistor
A
9
Q
Light dependent resistor (LDR)
A
10
Q
Transistor
A
11
Q
Buzzer
A
12
Q
LED (light emitting diode)
A
13
Q
How to tell which side is negative on an LED? With a diagram
A
14
Q
What are the numbers and colours of resistors
A
15
Q
What do the colours of the tolerance band on a resistor mean
A
16
Q
What do the resistor bands mean (image)
A
