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What is the efficiency of a dc generator that requires 200 watts of energy to supply 160 watts of output power?
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What is the efficiency of a DC generator that requires 200 lots of energy to supply 160 wats of output power?
A: The efficiency will be as 160/200 x 100= 80%
What compares the energy output of a system with its energy input?
Is it's Energy Efficiency.
What is the output for a generator?
energy
A mechanical device requires 420 j of work to do 230 j of work in lifting a crate what is the efficiency of the device?
The efficiency is (output energy)/(input energy) = 340/400 = 85%
Efficiency compares energy output with?
Output force
What does efficiency compare energy output with?
With energy input
What is the relationship between efficiency useful energy output and total energy output?
pie
A comparsion of energy output with energy input?
The result (ratio) of such a comparison is called the efficiency. Note that total energy output must be equal to energy input (conservation of energy); however, what is relevant for this comparison is the useful energy output.
Efficiency of a motor?
ratio of energy output to energy input.
What do you understand by efficiency of motor or generator?
The efficiency of any machine is the output power divided by the input power, usually expressed as a percentage.
What does energy efficiency?
Energy conversion efficiency is the ratio between the useful output of an energy conversion machine and the input, in energy terms. The useful output may be electric power, mechanical work, or heat.
Define output efficiency?
efficiency eta = output / input where output is the amount of mechanical work or energy released by a process, and input is the quantity of work or energy used to run the process. Due to the principle of conservation of energy, energy efficiency within a closed system can never exceed 100%. At a loutspeaker you have electrical Voltage as input and sound pressure as output. The efficiency of the loudspeaker is really only 1 percent.
