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Q & A: How does the switch from a light bulb get electricity?

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Most recent answer: 02/08/2011
Q:
how does the switch from a light bulb get electricity
- ricardo (age 17)
scottsdale,az usa
A:
Hi Ricardo,

I am assuming you are asking where the electricity comes from when you turn on the light. The switch does not generate electricity; the power plant does. When you turn on the switch, what it does is connecting the cable coming from the power plant to that going to the light bulb. The energy generated in the power plant, carried by the electricity is then transmitted to your room and lights up the bulb. When the switch is off, it breaks the connection and there will be no electricity coming to light up the bulb.
I hope this answers your question.  If not, write back again.

- Tsung

(published on 02/08/2011)

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