SAT Physics e-Book's MCQs - Complete
Energy in Physics Quiz App Free Download & e-Book - 244
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MCQ: 244
The ratio for the efficiency of a machine is
- (useful energy output + energy input) × 100&percent;
- (useful energy output - energy input) × 100&percent;
- (useful energy input / energy output × 100&percent;
- (useful energy output / energy input) × 100&percent;
d
More MCQs from SAT Physics Textbook
Gas Pressure Test 255
Measurement of Length Test 256
Measurement of Time Test 257
Pressure in Liquids Test 258
Physical Quantities and SI Units Test 259
SAT Physics Practice Test Test 260
Work in Physics Test 261
Physical Quantities and SI Units Test 262
Force and Motion Test 263
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