In a hydro-electric power station, a generator generates a power of 200 kW in which 50% of kinetic energy of the moving water changes to electrical energy.
What is the electric current that the gernerator delivers at a voltage of 50,000V?
Form 2 Electric current question...
2008-03-16 10:31 pm
回答 (1)
2008-03-16 10:36 pm
✔ 最佳答案
power=voltage x current200000x50%=50000 x I
100000=50000 x I
I=2A
收錄日期: 2021-04-29 20:28:35
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