Topic 10 Electricity And Circuits Flashcards
1
Q
What is the symbol for a lamp?
A
-(X)-
2
Q
What is the symbol for an ammeter
A
-(A)-
3
Q
What is the symbol for a motor
A
-(M)-
4
Q
What is the symbol for a voltmeter
A
-(V)-
5
Q
What is the symbol for a cell?
A
-l i-
6
Q
What is the symbol for a battery?
A
-l i l i-
7
Q
What is the symbol for a resistor?
A
-[]-
8
Q
What is the symbol for a diode?
A
-l>l-
9
Q
What is the symbol for a variable resistor?
A
-[↗️]-
10
Q
What is the symbol for an LDR?
A
-↘️↘️⭕️▪️-
11
Q
What is the symbol for a thermistor
A
-[/~]-
12
Q
What is the symbol for an LED?
A
-↘️↘️|>|-
13
Q
What is the equation for current
A
Current (I) measured in amps (A) = charge (Q) measured in coulombs (c) / time (t) in seconds (s)
14
Q
Define current:
A
The rate of flow of charge
15
Q
Which direction is the flow of electrons
A
Negative to positive
