Model Questions for Electrical Circuits & Instrumentation-1

Model Question I

Model Question Paper-I

Part A

1. State Kirchhoff’s laws.
2. Define power.
3. What is meant by Resonance?
4. Define quality factor.
5. What are the losses in transformer?
6. State any two application of Dc shunt generator
7. List out the types of damping.
8. State any two application of Hays bridge.
9. What is meant by LVDT?
10. State any two application of load cell.
    
    Part B
11. Find the value of current in circuit with resistance 2 Ohm and 1 Ohm connected in parallel.
12. Explain star and delta connection.
13. List out the types of DC generator mention its application.
14. Draw the diagram of Hay’s Bridge, and explains its feature.
15. What is meant by thermo couple? And explain.

Part C

16. (a) State and explain Super position theorem.
           (or)
      (b) State and explain Norton’s theorem.

17. (a) Find out the impedance and Admittance of RL & RC parallel circuit.
           (or)
      (b) Explain the condition for resonance and compare series and parallel resonance circuits.

18. (a) Explain in details of OC & SC test on transformer.
           (or)
      (b) Explain the principle of operation of capacitor start induction motor.

19. (a) With a diagram, explain the construction features and working of PMMC instrument.
          (or)
     (b) Explain the operation of vertical deflection system and mention the applications of CRO.

20. (a) Explain the operation of LVDT and mention its applications.
         (or)
     (b) Explain the principle of operation of digital frequency counter.

Answer will be posted very soon