Electricty

Question 1

A cell

Answer 1

This has a store of chemical energy, The longer lines shows the positive terminator and the shorter line shows the negative terminal.

Question 2

A battery

Answer 2

2 or more cells in series

Question 3

A switch

Answer 3

This breaks or reconnects a circuit turning the current on and off

Question 4

A lamp

Answer 4

This lights and heats up when current flows

Question 5

A fixed resistor

Answer 5

The value of the resistor affects the size of the circiut

Question 6

A variable resistor

Answer 6

This can vary the size of the current

Question 7

A voltmeter

Answer 7

measures the potential difference

Question 8

A ammeter

Answer 8

Measures the current

Question 9

A motor

Answer 9

This rotates when a current flows

Question 10

series curcuit

Answer 10

In a series circuit all components are in one loop

Question 11

parallel circuit

Answer 11

A parallel circuit is made up of multiple loops

Question 12

potential difference in a series and parallel circuit

Answer 12

series:
>varies around components

parallel:
>is the same everywhere

Question 13

current in a series and parallel circuit

Answer 13

series:
>stays the same throughout

parallel:
>adds up to the total across the cell

Question 14

resistance in a series and parallel circuit

Answer 14

series:
>adds up to the total

parallel:
>is smaller than the smallest resistor