Yesterday , my teacher asked me a question about zero watt bulb, I came home with the question in mind and asked a little boy around to buy a zero watt bulb for me.

He did as I said, and came back with a bulb. But it's rating was \[\boxed {220-250 V, 10-15 W}\]

Was anything wrong.?

Do a zero watt bulb really consumes zero energy.?

Can I apply many of them to save electrical bill.?

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TopNewestZero Watt is just a slang for 10-15W

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What do you mean "little boy around"???

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A fictional character.

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