Rank the bulbs according to brightness.
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7. The circuit shown contains 6 identical bulbs. Rank the bulbs according to brightness, starting with the brightest bulb(s). If two or more bulbs have equal brightness, indicate with an "=" sign.
8. Same as above question, except with different circuit diagram.
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Solution Summary
Brief analysis used to determine the relative brightness of bulbs is also provided.
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7) Light bulb A should be the brightest because this is where current starts to "flow out" of the battery. The higher the current, the brighter the light bulb because brightness is a measure of power and power is equal to I^2 R. After current passes through light bulb A, it will split into two paths. The path along B and C is ...
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