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That depends entirely on the toaster, but in general, most toasters use over 1,000 watts.
bulb,culb,tulb,gulp
You would have to check the manual. It may even be embossed on it. The light bulb is usually a standard 100watt. But because there are so many models it may require more or less wattage.
Mulb ;)
100watt
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Anything that will fit in the slot and can withstand the heat of a 40-100watt light bulb. You can make them out of tin foil.
It's not funny, tonight I'm a...
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Yes A 100watt light bulb left on for 10 hours will use a much electricity as a 1 Kilowatt fire left on for one hour. An energy efficient light bulb giving out the same amount of light as a 100watt bulb, only actually uses 20watts of electricity. That is 1/5th of the electricity, it will need to be on for 50 hours to use as much as a 1 Kilowatt fire left on for one hour. This will reduce your electric bill but the bulbs are more expensive than old 100watt bulbs (but the energy efficient bulbs last 6-8 times longer! so this balances out).
No, a 48-volt DC power supply cannot directly power a 100-watt AC bulb. AC bulbs are designed to operate on alternating current, typically at standard voltages like 120V or 240V, and require an AC waveform. To use a 48-volt DC supply, you would need a compatible DC bulb or a DC-AC inverter to convert the DC to AC at the required voltage and frequency.