Model Questions for Electrical Circuits & Instrumentation-2

Model Question II

Model Question Paper-II

Part A

1. State the ohm’s law.
2. Define energy.
3. Define impedance and admittance.
4. Define bandwidth.
5. Define efficiency of the transformer.
6. Define regulation of transformer.
7. What is meant by voltmeter sensitivity?
8. State any two uses of maxwells bridge.
9. What is meant by transducer?
10. State differences between XY recorder and strip chart recorder..
    
    Part B
11. State the KVL and KCL and explain.
12. Define susceptance and conductance and impedance.
13. Explain various losses in transformer?
14. Explain various forces required in indicating instruments?
15. What is meant by strain gauge and load cell?

Part C

16. (a) State and explain Thevenin’s theorem.
           (or)
     (b) State and explain maximum power transfer theorem.

17. (a) Derive the relation between line and phase voltage in star connection.
          (or)
     (b) Derive an expression for the impedance of an RLC series circuit.

18. (a) Explain the working principle of a transformer.
         (or)
     (b) Explain the principle of operation of a single phase induction motor.

19. (a) Draw the block diagram of CRO and explain its operation.
        (or)
    (b) Explain wheatstone’s bridge circuit and list out the applications.

20. (a) With a diagram, explain the working principle of stripchart recorder.
        (or)
      (b) With the block diagram, explain the working of successive approximation type DVM

Answer will be posted very soon