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1. |
A domestic load consists of 10 lamps of 100 W each, three fans of 60 W each and two heaters of 1 kW each, all the loads operating for 1 hour. Energy consumed is measured using an energy-meter having a constant of 1500 revolutions per kWh. The number of revolutions recorded by the meter is 4500. The percentage error in the energy-meter reading is: |
A. | – 5.66% |
B. | 5.55% |
C. | 15.66% |
D. | -15.66% |
Answer» B. 5.55% | |