P6 - Electricity for Gadgets

Question	Answer
What is Current?	The flow of charge (electrons) round a circuit
How is Current measured?	amps, A
What is Voltage?	The driving force that pushes the current round
How is Voltage measured?	volts, V
What is Resistance?	Anything in the circuit that reduces the current
What is Resistance measured in?	ohms, Ω
What does this symbolise? Image: 279a7206-b20c-4751-8484-ede54b452136 (image/jpg)	A cell
What does this symbolise? Image: f36bfe0e-770c-4073-b864-8b61a2e39809 (image/png)	An open switch A closed switch
What does this symbolise? Image: f0ee7773-f934-4ff3-be5f-71956c58d165 (image/png)	A thermistor
What does this symbolise? Image: 3a423ff2-a984-414c-b408-df68b5925930.gif (image/gif)	An LDR (Light Dependant Resistor)
What does this symbolise? Image: e9d20aab-ea69-4179-ac52-34cd0f400f03 (image/png)	A Variable Resistor
What does this symbolise? Image: 1b77730c-ed49-43ef-8eb4-6959ab088107 (image/png)	A Fixed Resisitor
What does this symbolise? Image: 184eacc8-d7a8-42f6-9ddd-b97cd184d137 (image/png)	A Bulb
What does this symbolise? Image: 2b45e03f-c851-4c03-9a47-26fdb5281a39 (image/png)	A Transistor
Name the 3 sections of a Transistor	Collector Base Emitter

Resource summary

	Created by Tom Mitchell about 10 years ago