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Draw a parallel circuit with 2 bulbs, 3 ammeter, a resistor and a cell
Draw a series circuit with 2 bulbs, a battery, an close switch and an ammeter
What does the fuse do
A safety device marked with the max.current it can carry
what colour is the neutral wire
blue
What colour is the live wire
Brown
What colour is the earth wire
green and yellow
Name 2 electrical dangers
Wires can heat up causing fires, can cause burns or even death if too much current is sent through the body
What is resistance
how difficult it is for electricity to flow through something
True or false : in a series circuit the current is split
false
True or false: in a series circuit the voltage is split
true
True or False : in a parallel circuit the current is split
true
Give the value that each ammeter would read (parallel)
Give the value that each ammeter would read (series)
What 'I' are materials that cannot conduct electricity easily
Insulators
Why are metals good conductors?
They have free electrons, charges can move easily
Who discovered that electricity was small charged particles?
J.J Thomson
