Help me answer why did we do this lb section Observational experiment: Determine

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Help me answer why did we do this lb section

Observational experiment: Determine a relationship between current and voltage Design an experiment to determine a mathematical relationship between the current through a resistor and the voltage across the resistor. Available equipment: Voltage source (such as a variable power supply), resistor, light bulb, voltmeter and ammeter, and connecting wires. Remember, to measure the current through the resistor, you need to let this current pass through the ammeter. Thus the resistor and the ammeter need to be connected like this:

Explanation / Answer

We are doing this section basically to study ohm's law and relation between current and voltage .We also doing this to learn how to measure current and voltage across resistance .

Finally we will get the relation i.e. R=V/I where R is resistance .I is current and V is voltage

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