What happens if you move two poles of the same sign together?
repel
Where do electrical charges circulate?
Electrical Circuit
the circulation of electrical charges is called
electrical current
3 things you need to assemble an electrical circuit
Generator, Conductors, Receptor
It allows us to turn the circuit on and off
Control Devices
Protects the circuit
protective devices (example: fuse)
We use _______ to represent electrical circuits
Electrical Diagram
What is DC? (always circulate in the same direction)
Direct Current
What is AC? (electric charges change directions 50 times per second)
Alternative Current
What is this electric component?
Ceramic Resistors
What is this symbol?
LDR (Light Dependent Resistor)
What does LED mean?
Light Emitting Diode
What is the electrical variable that uses this unit of measurement? (V)
Voltage
Instrument to measure voltage
Voltmeter
Another word for electrical current (A) and symbol is I
Amperage
What is an ammeter?
to measure amperage
