Circuit Lab Analysis

Given in the figure, calculate the resistance of each resistor represented by the two lines.

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Using Table 2 of your data, how does the resistance of the individual light bulbs compare to the total resistance of the series circuit?

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In the activity for complex circuits, bulbs of the same wattage are used. Would the results you observed be the same or different if each bulb was a different wattage? Assume bulb one is the lowest wattage and bulb three is the highest.

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Tags

NGSS.HS-PS2-5

Using Table 4, how does resistance in a parallel circuit affect bulb brightness? Is there any difference in the brightness of bulb one versus bulb three when all bulbs are in the sockets? Why or why not?

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When one bulb was removed from your series circuit, what happened to the other two bulbs? Why?

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When one bulb was removed from your parallel circuit, what happened to the other two bulbs? Why?

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Explain what happens to the current traveling through a light bulb in a parallel circuit when an additional light bulb of equal resistance is added in parallel.

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A series circuit has three light bulbs of equal resistance. What happens to the total resistance of the circuit if a light bulb is removed from the circuit?

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A parallel circuit has four light bulbs of equal resistances. What happens to the total resistance of the circuit if an additional light bulb is added in parallel to the others?

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A parallel circuit with light bulbs has a total current of 5 amps. Two of the light bulbs measured at 2 amps each. What is the current flowing through the third light bulb? Explain how you know.

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