Module 3

Module 3 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. 
The specific gravity of the electrolyte in a:

2. 
The aircraft power supply frequency is 400 hertz. The period is:

3. 
Strength of the electric field is

4. 
In accordance with Faraday’s Laws, the three prime factors affecting generated emf are:

5. 
A charge of 100C exists when a voltage of 200V is applied to a capacitor. What value is the capacitor?

6. 
Calculate the capacitance of a capacitor that stores 40microC of charge and has a voltage of 2V

7. 
When two resistors are connected in series:

8. 
The charge of 25 x 10^18 electrons is Approximately:

9. 
Ion current is found in:

10. 
A 10V battery supplies a resistive load of 10Ω. What is the power supplied?

11. 
A material with a high value of resistivity:

12. 
he 'Seebeck' effect is commonly found as the resultant current flow in

13. 
A charge of 12 coulombs moves past a given point in 2 seconds. Intensity of the charge flow in amps is:

14. 
A coil has an inductance of 8 mH with 125 turns. When the number of turns is doubled within the same length, the inductance will become:

15. 
If there are two bulbs connected in series and one blows out, what happens to the other bulb?

16. 
A 3 phase induction motor can be reversed by:

17. 
A resistor colour coded Brown, Red, Red, Silver the value is:

18. 
Of the following phases, which two are 180 degrees apart?

19. 
If a length of wire is cut in half and the two halves connected in parallel the resistance is”

20. 
Calculate the MMF (Magneto Motive Force) of a coil with 2000 turns and a 5mA current:

21. 
In order to obtain a high value for capacitance, the permittivity of the dielectric medium should be?

22. 
Two resistors in parallel. If they are of unequal value it is true that:

23. 
An alternating current voltage waveform has a root mean square value of 70.7 volts the peak to peak voltage is:

24. 
High torque low speed is given by:

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

26. 
The peak-to-peak value of a sine wave of 150V is:

27. 
What does a high pass filter do? Pass:

28. 
A capacitor consists of

29. 
A conductor with a positive Q (charge) of 4C has 12.56 x 10^18 electrons added it will have a Q =:

30. 
A 4 ohm resistor and an inductor of 3 ohms reactance are connected in series the impedance of the circuit is:

31. 
If in an alternating current circuit, impedance is 26 ohm, capacitive reactance is 24 ohm, what is the resistance?

32. 
An alternating current series circuit has 2 amps through a 100ohm resistor and a 173 ohm inductor. The real power is

33. 
The two factors which govern the output frequency of an AC generator are the:

34. 
The statement that "the sum of all voltages around any closed path must equal the applied voltage" is attributed to:

35. 
Ohms Law states if the temperature stays constant the:

36. 
The current in a circuit is 6 amps the amount of charge moved in 25 seconds is:

37. 
Potassium Hydroxide is the electrolyte used in a

38. 
In an electrical circuit, EMF (electro motive force) and PD (potential difference):

39. 
Remanence is the:

40. 
Calculate the time constant of a series RC circuit consisting of a 100microF capacitor in series with a 100ohm resistor.

41. 
An 8microF capacitor is connected in series with a 0.5 megaohm resistor. The DC voltage supply is 200V. Calculate the time constant.

42. 
Wave and Lap windings are designed to give:

43. 
In a star connected system, the phase voltage is:

44. 
Calculate the current across the 20 ohm resistor

45. 
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:

46. 
If 2V is supplied to a 3F capacitor, calculate the charge stored in the capacitor

47. 
A charge of 10 coulombs moves passed a point in 2 seconds. The flow in amps is:

48. 
What is the total capacitance when three capacitors, C1, C2 and C3 are connected in parallel?

49. 
Two waveforms are 90 degrees out of phase:

50. 
The power factor of an alternating current circuit is:

51. 
When capacitors are connected in parallel, the total capacitance is always __________ the individual capacitance values.

52. 
Diamagnetic materials have a permeability of:

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