Electrical and Electronics Measurements Measurement of Power Measurement of AC Power

A wattmeter has a full scale range of 2500 Watts. It has an error of 1.2% of true value. What would be range of reading if true power is 1250 Watts.

1

1235 W to 1265 W

2

Exactly 1250 W

3

1200 W to 1300 W

4

1500 W to 2500 W

5

Question Not Attempted

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