Describe how a student would use the circuit to take the readings necessary to determine the resistance of resistor R.

Explanation:

See attachment for circuit

From the circuit, we have:

Resistance is calculated as:

The steps are as follows:

Step 1: The student needs first to power on the circuit

Step 2: The student then take readings from both the ammeter (for current) and from the voltmeter (for voltage)

Step 3: Record new readings for current and voltage by adjusting the variable resistor

Step 4: Draw a voltage-current graph

Step 5: : Lastly, calculate the slope of the graph

The slope represents the resistance

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hope this you out ^w^