Basic electrical and electronics engineering all branches important questions diploma

1. State any five effects of electric current with an example for each. 
2. State Ohm's law mention its limitations. 
3. Define reluctance and MMF.
4.  What is transformer mention any three applications of transformer. 
5. State any five advantages and disadvantages of three phase supply over single phase supply. 
6. List out any five applications and advantages disadvantages of DC motor. 
7. What is fuse list the types of fuses. 
8. Distinguish between primary and secondary batteries. 
9. What is a diode List three types of diode. 
10. distinguish between conductor and insulator. 
11. Define electrical power and electrical energy mention their metres used to measure them.
12.  Explain the construction of DC motor. 
13. Distinguish between statically induced EMF and dynamically induced EMF.
14.  Explain the construction of AC generator. 
15. Explain the construction of DC generator. 
16. What is fhp motor. State the application of single phase AC motor.
17.  List different types of motor enclosures. 
18. Draw the logic symbol Android the truth table for following Gates not nor and n a n d. 
19. What is BJT list the types. 
20. State any four general electrical safety precautions. 
21. Explain the necessity of protective devices list any three types of protective devices. 
22. State Faraday's law of electromagnetic induction. 
23. Define time period frequency with respect to sine wave and mention their units. 
24. List the condition of charge lead acid battery. 
25. What is a DC motor and list the types of DC motor full stop explain the working principle of AC generator. 
26. What is transistor Name the different types of transistor and with their symbol. 
27. Define the following magnetic field magnetic flux magnetomotive force flux density and electrons.
28.  What are the advantages and disadvantages of DC generator. 
29. What is relay list its type. 
30. Explain the selection certain of an interrupted power supply in stock explain the working of half wave rectifier with neat diagram. 
31. What is motor. 
32. List the different types of switches and their symbols.
33.  Define the following with reference to a sinusoidal waveform maximum value and form factor.