Work, Energy and Power Quiz (1) Physics AS Level
CIE
AS & A Level
Physics (9702)
فروردین
2010
شامل مباحث:
Chapter 5: Work, energy and power
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه

پیش نمایش صفحه اول فایل
The input power to a television is ${P_{in}}$. The useful sound and light power emitted by the television is ${P_{out}}$.
What is the efficiency of the television?