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A400watt light bulb is left

A400watt light bulb is left on for 6.5hours. How many kilowatt hour of energy is used?
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2. asked by Alvida
3. 463 views
Two light bulbs are connected in series. The resistance of the filament of the first light bulb is 230Ω. The potential
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2. asked by exo-L
3. 833 views
While shopping for light bulbs, which information would describe the efficiency of the bulb? (1 paint)how many watts of power
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2. 136 views
You are in the lab with a 10 V battery. You have a 10 W light bulb and you want to put 1/2 A of current through the light bulb
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2. asked by jamie
3. 630 views
You are in the lab with a 10 V battery. You have a 10 W light bulb and you want to put 0.75 A of current through the light bulb
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2. asked by michelle
3. 689 views
A light bulb is wired in series with a 142 resistor, and they are connected across a 120 V source. The power delivered to the
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2. asked by Jiji
3. 915 views
A light bulb is wired in series with a 133-Ω resistor, and they are connected across a 120-V source. The power delivered to the
1. 3 answers
2. asked by joe
3. 877 views
A light bulb's brightness is reduced when placed behind a screen. The amount of visible light produced by the light bulb
1. 1 answer
2. 104 views
Light bulb packages will have at least two numbers on them; a power and what the potential difference across the bulb must be so
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2. asked by k
3. 1,204 views
Apply: The light bulb is also a resistor. Place the light bulb in the circuit, then use Ohm’s law to find the resistance of
1. 1 answer
2. 105 views