001 Bulb Lamp
001 Bulb Lamp
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 Projector Bulb Lamp US $119.00
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 PROJECTOR LAMP FOR VIEWSONIC RLC 001 BULB ONLY US $112.00
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Physics: resistance, voltage, current & power.?
001 (part 1 of 5)
A string of 24 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 60 W.
What is the equivalent resistance of the light string?
Answer in units of Ω.
002 (part 2 of 5)
What is the resistance of a single light?
Answer in units of Ω.
003 (part 3 of 5)
What power is dissipated in a single light?
Answer in units of W.
004 (part 4 of 5)
One of the bulbs burns out. The lamp has a wire that shorts out the bulb filament when it burns out, dropping the resistance of the bulb to zero.
What is the resistance Rnew of the light string now?
Answer in units of Ω.
005 (part 5 of 5)
Find the power Pnew dissipated by the string now.
Answer in units of W.
Is it me or has V=IR changed? everything is based on that, brother.
Oh, and the thing is in series, so that should answer your other questions.
I can't be there for you on the test, so you will have to figure it out.
BTW, i'm no physics geek. But uh... this seems fairly straight forward.