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Q: How do you calculate electrical efficiency?
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How do you calculate voltage efficinecy in DC voltage?

The efficiency of a device in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed. Scroll down to related links and look at "Electrical efficiency - Wikipedia".


How do you calculate the efficiency of an electrical mechanical system?

You could have an electric motor driving a reduction gearbox, for example. The efficiencies of both might be considered individually, or as a whole. As a whole is easier. (Work out/ work in) x 100 = efficiency%. Or, (power out/ power in) x 100 = efficiency%. Or, (force out/ force in) x100 = efficiency%. It depends on what you have to work with, what you use. If you did need to calculate electrical and mechanical efficiencies separately because of different units, the final overall efficiency will be (total of the percentages) / (number of percentages).


How do you calculate the efficiency of the car?

check here http://www.wonderhowto.com/how-to-calculate-cars-fuel-efficiency-mpg-084812/


How do you calculate cooling coil efficiency?

Calculate condenser and coils


How do you calculate the efficiency of vapour absorption machine?

how to calculate the vapour absorption mechine efficiency and per TR steam consumption


How can you calculate efficiency?

b**ch


How many joules of thermal energy are required by a coal plant with an efficiency of 36.5 percent to generate one joule of electrical energy?

Here you must calculate 1 / 0.365.


What must you know in order to calculate a machine's efficiency?

The efficiency tells you how good the machine is. Efficiency equals the power output of the machine divided by the power that is input via a shaft, or via electrical wires, or via fuel. So if the machine has a low efficiency it wastes power and energy, which costs money. The average ordinary automobile has an efficiency of 20-25%. A lot of research work goes into improving that figure.


How you can calculate HRSG efficiency?

b**ch


What is used to calculate mechanical efficiency?

work


How do you calculate 1050 miles in gas price for a trip?

You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.


What machine on earth has the greatest percentage of efficiency?

Perhaps an electrical AC transformer can have 99 percent efficiency. A loudspeaker can have only 1 percent efficiency.