Which bulb is brighter? Group of answer choices Their brightnesses are the same. There’s not enough information to tell. The 60 W bulb The 100 W bulb
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You have a $40-\mathrm{W}$ lightbulb and a $100-\mathrm{W}$ bulb. What do these readings mean? Can we say that the $100-\mathrm{W}$ lightbulb is always brighter? Explain and give examples.
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A 120-V, 60-W incandescent light bulb; a 120-V, 120-W incandescent light bulb; and a 120-V, 240-W incandescent light bulb are connected in series as shown. The voltage between points a and b is 120 V. Which bulb glows the brightest? A. The 120-V, 60-W light bulb glows the brightest. B. The 120-V, 120-W light bulb glows the brightest. C. The 120-V, 240-W light bulb glows the brightest. D. All three light bulbs glow with equal brightness.
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