In an circuit what does this symbol represent?
light globe
In an circuit what does this symbol represent?
ammeter
In an circuit what does this symbol represent?
voltmeter
In an circuit what does this symbol represent?
switch
In an circuit what does this symbol represent?
resistor
In an circuit what does this symbol represent?
bell
In an circuit what does this symbol represent?
battery / power source
What THREE does a circuit need?
1. complete conducting path 2. a load 3. a power supply
Name ONE type of temporary electricity.
Static electricity or lightning
AC stands for...
Alternating current
DC stands for...
Direct current
Electricity is the flow of what?
Electrons
Electrons have what charge?
Negative charge
What units is voltage measured in?
volts
What units is current measured in?
amperes or amps
What units is resistance measured in?
ohms
