Group of physics students are asked to demonstrate Ohm’s Law in parallel circuits. Using their knowledge of Ohm’s Law and the r
ules governing voltage, current, and resistance in series and parallel circuits they must set up an investigation using batteries, wires, three light bulbs of unknown resistance, a voltmeter, and an ammeter. Their task is to determine the resistance of each bulb. Given the equipment at hand, the groups determine that they will collect data to determine the voltage and current at each element in the circuit and use those values to calculate resistance. Four students offered their suggestions on which measurements must be taken to determine the resistance provided by each bulb. Which student’s suggestion below would provide enough evidence to be able to determine the value of each resistor?
1 answer:
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