Question: A wattmeter has a full scale range of 2500 W. it has an error of ±1% of true value. What would be the range of reading if true power is 1250 W ?
Answer:
MCQ: A wattmeter has a full scale range of 2500 W. it has an error of ±1% of true value. What would be the range of reading if true power is 1250 W ?
Correct Answer:
A. 1225 W – 1275 W
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Related Questions
- 1. Power in d.c circuit is measured by measuring the voltage across and current through the circuit.The voltage and current measurements are made to an accuracy of ±2% and ±3% respectively. The errors are limiting errors. The error in measurement of power is:
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- 5. The mean Deviation D in terms of deviation from the mean value of <em>n</em> reading is
- 6. A set of readings has a wide range and therefore it has:
- 7. The Gaussian distribution can be mathematically expressed as:
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