MCQOPTIONS
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MCQOPTIONS
| 1. |
A machine uses total energy of 5000 J and within the process one-fourth of the energy is lost to the surroundings. The efficiency of the machine is |
| A. | 0.5 |
| B. | 0.25 |
| C. | 0.9 |
| D. | 0.75 |
| Answer» E. | |