Question: A Wheatstone bridge is balanced with all the four resistances equal to 1 kW each. The bridge supply voltage is 100 V. The value of one of the resistance is changed to 1010 W. The output voltage is measured with a voltage measuring device of infinite resistance. The bridge sensitivity is
Answer:
MCQ: A Wheatstone bridge is balanced with all the four resistances equal to 1 kW each. The bridge supply voltage is 100 V. The value of one of the resistance is changed to 1010 W. The output voltage is measured with a voltage measuring device of infinite resistance. The bridge sensitivity is
Correct Answer:
A. 2.5 mV/W
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Related Questions
- 1. The main advantage of the null balance technique of measurement is that
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- 5. Systematic errors are
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- 7. An 0 – 10 A ammeter has a guaranteed accuracy of 1 percent of full scale deflection. The limiting error while reading 2.5 A is :
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- 10. 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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