p5 electricity

Question 1

state the properties of bulbs arranged in series

Answer 1

1. there is only 1 path for electricity to flow through
2. if 1 bulb fuses / is not working, the other bulb does not light up
3. battery will last longer

Question 2

state the properties of bulbs arranged in parallel

Answer 2

1. there is more than 1 path for electricity to flow through
2. if one bulb fuses / is not working / does not work, the other bulb will still light up

Question 3

state what electricity is

Answer 3

electricity is a form of energy

Question 4

describe the flow of charges

Answer 4

from a positive end of a power source to the negative end of a power source

Question 5

state what electrical conductors are

Answer 5

materials that allow electricity to flow through it (eg. all metals, tap water, mineral water, carbon [found in pencil lead] and graphite)

Question 6

state what electrical insulators are

Answer 6

materials that do not allow electricity to flow through it (eg. most non-metals (eg. plastic, rubber, glass, wood, etc.), pure water