(B 2) (82) (16.1) (4)
Assume a computer is rated at 220 V, 2000 W.
What is the resistance of its heating element and the current (I) through it?
Electricity - find resistance & current
2006-11-04 5:30 am
回答 (1)
2006-11-04 5:40 am
✔ 最佳答案
P = V^2 / R2000 = 220^2 / R
R = 220^2 / 2000
R = 24.2 ohm
P=VI
2000 = 220 * I
I = 2000/220
I = 9.0909A OR 100/11A
收錄日期: 2021-05-03 05:13:29
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