# 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.
In an inductive circuit, the current________ the voltage?

2.
Calculate the current across the 20 ohm resistor 3.
Connecting two 28volt 60 Amp/Hour batteries in parallel will produce:

4.
Ion current is found in:

5.
When the supply frequency increases, what happens to the capacitive reactance in the circuit?

6.
Armature reaction is caused by the:

7.
The capacity of a cell can be increased by:

8.
The total resistance of three resistors in series of values R1=60ohm R2=20ohm R3=10ohm is:

9.
Strength of the electric field is

10.
When comparing 2 alternating current waveforms, one is at its maximum value while the other is at zero. The two waveforms are:

11.
Which among the following equations is incorrect?

12.
A sine-wave voltage has a peak value of 180 volts. What is its value at 30°?

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

14.
Wave and Lap windings are designed to give:

15.
he 'Seebeck' effect is commonly found as the resultant current flow in

16.
In a parallel circuit, with a number of resistors, the voltage across each resistor is

17.
The state of charge of a lead/acid battery may be determined from the electrolyte:

18.
If 4 equal resistance conductors are connected in parallel their total resistance is:

19.
If an EMF (Electromotive Force) of 120V is applied to a circuit of three equal value resistors in series and a current of 2A flows, the value of total resistance is:

20.
A coil induces 200 mV when the current changes at the rate of 1 amp per second. The inductance L is:

21.
A capacitor consists of

22.
Of the following phases, which two are 180 degrees apart?

23.
In an RLC circuit, the power factor is always

24.
Where the resistance of the load equals the internal resistance of the battery:

25.
A sine wave has a periodic time of 0.5 milliseconds. What is the frequency?

26.
An alternating current voltage waveform has a root mean square value of 70.7 volts the peak to peak voltage is:

27.
The specific gravity of the electrolyte in a:

28.
If the output of a generator drops from 100V with zero current flowing to 80V with 2A flowing then the internal resistance is:

29.
Two waveforms are 90 degrees out of phase:

30.
Calculate the total capacitance 31.
Capacitor blocks__________ after long time.

32.
When capacitors are connected in parallel, the total capacitance is always __________ the individual capacitance values.

33.
An AC generator connected in star with a phase voltage of 115v will have a line voltage of:

34.
A charge of 10 coulombs moves passed a point in 2 seconds. The flow in amps is:

35.
If a length of wire is cut in half and the two halves connected in parallel the resistance is”

36.
An AC motor which rotates at the same speed as supply frequency is called:

37.
In a thermocouple, the EMF is produced by:

38.
When a changing pressure is applied to opposite faces of a crystal:

39.
Siemens is the unit name for:

40.
The retentivity of a material is given by

41.
Remanence is the:

42.
The peak-to-peak value of a sine wave of 150V is:

43.
The negative plate of a discharged NiCad battery would be coated with?

44.
When the current in circuit increases, Lenz’s law says that the self-induced voltage will:

45.
The value of a given waveform at any instant time is termed as

46.
Time constant of an inductor is:

47.
What is the resistance and tolerance value of a resistor colour coded, yellow, Violet and brown:

48.
The unit in which chemical energy produces opposite charges on 2 dissimilar metals is:

49.
The dielectric in a capacitor is

50.
An ion is:

51.
For very low frequencies, capacitor acts as

52.
A 10V battery supplies a resistive load of 10Ω. What is the power supplied?