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    Solving Equations About Lightbulbs

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    9. In the circuit shown, the switch is open at first, so the nichrome wire is not in the circuit. The resistance of the wire is comparable to that of a light bulb.
    (a) When the switch is closed, what happens to the brightness of each bulb, A and B?
    (b) Suppose we now make the nichrome wire longer. How does the brightness of each bulb change when this is done?
    (See attached file for full problem description)

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    https://brainmass.com/physics/circuits/solving-equations-about-lightbulbs-73128

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    This solution involves solving various problems about lightbulbs. Detailed equations are provided.

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