1. Describe in detail how will you extend ranges of voltmeters?
2. Describe the requirement for providing controlling torque in indicating instruments.
3. prepare down the errors in dynamometer type wattmeter.
4. prepare 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 prepare down its balance equation.
8. Describe the function of Q-meter?
9. What do you mean by B-H curve?
10. prepare down the uses of Potentiometer.