Electricity and circuits Flashcards
What is wrapped around each wire?
insulating plastic as it doesn’t conduct electricity
What is another name for potential difference?
Voltage
What is the main advantage of a parallel circuit?
if one component breaks the circuit will still continue to work
What is the voltage of mains electricity?
230-240 volts
What colour is a neutral wire?
Blue
What is a current?
the flow of electrons around a current
How do you find the total resistance of a series circuit?
add together the resistances of each compound
How does double insulation work?
plastic doesn’t conduct electricity so we can’t get a electric shock
What circuit symbol is used to represent a battery
Two big lines Two small lines
What is the circuit symbol for a diode?
play button inside a circle crossed out