9702/12 Physics May Jun 2024 Online Test| Cambridge AS & A Level Grade MCQ
Cambridge
AS & A Level
Physics (9702)
شهریور
2024
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
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?