Resistors Obey Ohm's Law (Experiment) - GCSE Physics Required Practical

There are various ways to prove that resistors obey Ohm's law (V=IR). Ohm's law says that voltage across a component is proportional to the current going through it, provided that the component's resistance is kept constant.
To carry out an experiment to prove Ohm's law for a resistor, you need an ammeter to measure current and a voltmeter to measure voltage.
You need a power source that allows you to vary voltage, or you can use a variable resistor in the circuit.
Plotting a graph of current versus voltage should give you a straight line through the origin. This shows that voltage and current are proportional... obeying Ohm's law.
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[@georginamclaughlin7314]

Amazing video, really helped me with my Applied Science assignment as we had not done the practical due to covid. First video I found that made sense.

[@mohamedfaisal6991]

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[@Blessing_lbq]

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[@leadersaver5]

Thank you very much I have understood the principle of the experiment. 🌸✨

[@goopymanx7886]

Thanks you, but I would like to know on how to prevent the energy lose ? Since I know that in a circuit the the resistor takes the voltage of the power supply. Where does the energy get lost ?

[@IrimiyaJoseph-e8m]

State any two pericaution