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777dan777 [17]
3 years ago
13

How much current will a 500 W vacuum cleaner draw if it has a resistance of 30Ω?

Physics
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

4.2 amps, factoring in resistance roughly 4.1

Explanation:

I'm assuming here that were talking standard voltage thats its most houses so 120 volts, atleast in the U.S.

So you need to find x=amps

Watts is calculated by volts x current (Amps)

You have the watts and the "Voltage"

Just do 500/120 and you get 4.166666667 and you can round that to 4.2amps if you just want it in the simple form.

Hope this helped :)

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