Register
An electric generator produces an electromotive force (e.m.f.) of 200V and produces a current of 3.0 A in a circuit. The generator is driven by an engine with a power of 2.4 kW. What is the efficiency
145k views
1 vote
An electric generator produces an electromotive force (e.m.f.) of 200V and produces a current of 3.0 A in a circuit. The generator is driven by an engine with a power of 2.4 kW. What is the efficiency of the generator?​

User Eledgaar
by
7.9k points

1 Answer

2 votes

Answer:

Below

Step-by-step explanation:

power out = V I = 200 * 3 = 600 W

Power in = 2400 W

600 W / 2400 W X 100% = 25% eff

User Malat
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.2m questions

10.8m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!