A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? A. 92 percent B. 97 percent C. 96 percent D. 94 percent

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? A. 92 percent B. 97 percent C. 96 percent D. 94 percent

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. The efficiency of the machine is 94 % Efficiency =Output /Input =3760 /4000 *100 = 94 %

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? A. 92 percent B. 97 percent C. 96 percent D. 94 percent

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. The efficiency of the machine is 94 % Efficiency =Output /Input =3760 /4000 *100 = 94 %

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