Question

Efficiency of a machine is 60% and its power input is 2000 W. What will be its power output ?



please tell fast :(​

Answer 1

Answer:

By the statement, Efficiency of a machine is 60% , it is meant that 'The work output is 60% of the work input'. If you apply 100J of energy for a machine, it will be able to life load of 60 J only.

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Answer 2

Given : Efficiency of a machine = 60%

To Find : Power output

Solution :

Power output = 60% of power input.

Power output = 60% of 2000 W.

Power output $\[ = \frac{{60}}{{100}} \times 2000\]$ W = 1200 W.

Hence Power Output is 1200 W.