What is the power of a 33 ohm toaster when hooked up to a 120 V outlet?

👨🏻‍🏫 學術台物理學

[匿名]

2018-04-13 8:58 am

回答 (4)

[匿名]

2018-04-13 10:53 am

✔ 最佳答案

P=V²/R
=120²÷33
=436.36W

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billrussell42

2018-04-13 9:06 am

P = E²/R = 120²/33 = 436 watts

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oubaas

2018-04-13 1:02 pm

P = V*I
I = V/R
P = V*I = V*V/R = V^2/R = 144*10^2/33 = 436 watt

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The Devil

2018-04-13 9:35 am

E= I x R; you know E and you know R, so get out your calculator and solve for I, then multiply I x 120 for watts, which is I x E

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