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A 100W light bulb is
A 100W light bulb is left on for 10hrs. Over this period of time how much energy is used by the bulb?
am i doing this right? my
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Physics
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A 100W light bulb is left on for 10hrs. Over this period of time how much energy is used by the bulb?
am i doing this right? my
1 answer
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natali
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A typical light bulb is 2% efficient. It means that only 2% of electric energy is converted into visible electromagnetic
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april
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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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exo-L
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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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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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jamie
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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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michelle
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a) a flashlamp bulb is marked '2.5V,0.30A' and has to be operated from a dry battery of e.m.f 3.0V for the current p.d. of 2.5V
1 answer
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Bimbo
592 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
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joe
876 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
1 answer
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Jiji
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