Investigation into how Temperature affectsthe Resistance.

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Investigation into how Temperature affects the Resistance.


power pack
crocodile clips

Measuring cylinder, ice and water

Bunsen burner, tripod and gauze



-Set up a standard circuit, with an ammeter measuring current in amps and a voltmeter measuring voltage in volts.

-place the crocodile clips in beakers of varying temperatures (using ice, water and bunsen burners to achieve them), ranging from 0 ºC to 80ºC.

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-Record the current in amps and voltage in volts, and repeat for each temperature.

  • Calculate the resistance in Ωs (Ohm’s) by employing the formula R = V/I (resistance = voltage divided by current)

Our results indicate, on the whole, that as the temperature increases, so does the current in amps (directly proportional). As the current increases, the resistance decreases, because we are dividing the voltage by a larger number. We can conclude that as the temperature increases, the resistance decreases (inversely proportional) although there is one anomaly in the temperature of 5 ºC. We put this ...

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