Module 3 New

Module 3 New quiz contains 52 question based on the syllabus for module 3 examination for B1.1, B1.3 and B2 category.

The time limit for the quiz is 65 min.

The number of attempts allowed are unlimited.

All the best.

Name
1. 
When a capacitor is charged after 1 time constant the V across the capacitor.

2. 
An alternating current voltage waveform has a root mean square value of 70.7 volts the peak voltage is:

3. 
Two resistors in parallel. If they are of unequal value it is true that:

4. 
An 8microF capacitor is connected in series with a 0.5 megaohm resistor. The DC voltage supply is 200V. Calculate the time constant.

5. 
The power factor of an alternating current circuit is:

6. 
A component is required to have a positive temperature coefficient value. It is likely to be made of:

7. 
In an RLC circuit, the power factor is always

8. 
An ion is:

9. 
Battery cells are connected in parallel to:

10. 
Calculate the total capacitance

11. 
Inductance is _____________________ to number of turns in the coil.

12. 
An alternating electromotive force is applied to a pure resistance. Current and voltage :

13. 
If there are two bulbs connected in series and one blows out, what happens to the other bulb?

14. 
Which among the following expressions relate charge, voltage and capacitance of a capacitor?

15. 
The best shield for a steady magnetic field is a:

16. 
A capacitor consists of

17. 
If in an alternating current circuit, impedance is 26 ohm, capacitive reactance is 24 ohm, what is the resistance?

18. 
If the current through x ohm resistance in the circuit is 5A, find the value of x

19. 
What is the resistance and tolerance value of a resistor colour coded, yellow, Violet and brown:

20. 
A 3 phase induction motor can be reversed by:

21. 
A component is required to give a negative temperature coefficient value. It is likely to be made of:

22. 
In the Diagram the two unknown resistors are of equal value and their value is:

23. 
In an electrical circuit, EMF (electro motive force) and PD (potential difference):

24. 
When capacitors are connected in parallel, what happens to the effective plate area?

25. 
Three capacitors having a capacitance equal to 2F, 4F and 6F are connected in parallel. Calculate the effective parallel.

26. 
Paper capacitor is a type of

27. 
Calculate the time constant of a series RC circuit consisting of a 100microF capacitor in series with a 100ohm resistor.

28. 
Conventional current is:

29. 
N capacitors having capacitance C are connected in series, calculate the equivalent capacitance.

30. 
Calculate the capacitance of a capacitor that stores 40microC of charge and has a voltage of 2V

31. 
Flux density is measured in:

32. 
A current of 5A flows for 2 minutes how many coulombs passed a point in the circuit?

33. 
A synchronous ac motor is most useful for applications requiring:

34. 
If an EMF (Electro Motive Force) of 120v is applied to a circuit of three equal value resistors in series and a current of 2A flows the value of each resistor is:

35. 
Which of the following is a low pass filter?

36. 
Unit of capacitance is

37. 
A potentiometer is a:

38. 
A battery of 18V with an internal resistance of 1.5Ω is connected in a circuit with three resistors in parallel of values 6Ω, 12Ω and 12Ω. The total circuit resistance is:

39. 
Remanence is the:

40. 
The generator characteristic of:

41. 
An AC generator connected in star with a phase voltage of 115v will have a line voltage of:

42. 
The maximum instantaneous value measured from zero value is known as?

43. 
The voltage rating on a capacitor is the:

44. 
The current in a circuit is 6 amps the amount of charge moved in 25 seconds is:

45. 
A resistor colour coded Brown, Red, Red, Silver the value is:

46. 
A 10 centimeter rod of specific resistance 0.5 and a cross sectional area of 1 centimeter, has a resistive value of:

47. 
If in an alternating current circuit, resistance is 5 ohm, capacitive reactance is 12 ohm, what is the impedance?

48. 
How much current is required for an onboard 600W microwave oven with 120 volts?

49. 
One unit of Potential Difference is:

50. 
In a three phase delta connected generator the line:

51. 
The torque speed characteristic of a series motor is:

52. 
What is the effect of reversing the supply to the field and armature of a direct current motor?