1. Describe in detail how will you extend ranges of voltmeters?
2. Describe the requirement for providing controlling torque in indicating instruments.
3. Write down the errors in dynamometer type wattmeter.
4. Write down the different applications of Hall effect type wattmeter.
5. What do you mean by the Instrument Transformer?
6. Describe th function of Synchroscope?
7. Sketch Anderson bridge and write down its balance equation.
8. Describe the function of Q-meter?
9. What do you mean by B-H curve?
10. Write down the uses of Potentiometer.