Water from a reservoir is fed to the turbine of a hydroelectric system at a rate of $500kg{s^{ - 1}}$. The reservoir is 300 m above the level of the turbine.
The electrical output from the generator driven by the turbine is 200 A at a potential difference of 6000 V.
What is the efficiency of the system?
1 )
8.0 %
2 )
8.2 %
3 )
80 %
82 %
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!