[Answered] What is the total efficiency of three systems in cascade if the individual efficiencies are 40, 30, ...

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Author Question: What is the total efficiency of three systems in cascade if the individual efficiencies are 40, 30, ... (Read 35 times)

Mr.Thesaxman

Hero Member
Posts: 514

on: Jul 28, 2018

What is the total efficiency of three systems in cascade if the individual efficiencies are 40, 30, and 10?

A) 10 B) 1.2 C) 1.33 D) 80

Question 2

How much power is dissipated by a light bulb if the voltage applied is 12 V and its resistance is 12?

A) 144 W B) 1728 W C) 12 W D) 1 W

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annierak

Sr. Member
Posts: 340

Reply #1 on: Jul 28, 2018

Answer to Question 1

B

Answer to Question 2

C

Mr.Thesaxman

Member
Posts: 514

Reply 2 on: Jul 28, 2018

Gracias!

nguyenhoanhat

Member
Posts: 332

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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