PRACTICLE- investigating resistance (resistors in series)

step 1

find 4 identical resistors

step 2

build circut with an ameter, battery and a resistor

step 3

make note of the potential difference of battery

step 4

measure current through circuit using ammeter

step 5 calculate resistance

pd/current

step 6

add another resistor in series with the first, next to

step7

measure current again through circuit, use this and pd of battery to calculate overall resistance of circuit

step 8

repeat steps 6 and 7

step 9

plot a graph of number of resistors against total resistance

resistors in series graph

graph