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Module 3 Regular Session June 2026

1. Amplitude Structure is Sinusoidal factor

2. 1 joule is …
3. Weber’s molecular theory.
4. Current and voltage in phase condition occurs in:
A. Pure Inductive
B. Pure Capacitive
C. Pure Resistive
5. Wattmeter or Ideal component designations:
A = Active
B = Non-Reactive
C = Reactive
D = Non-Active
6. When a capacitor is placed by a power source… Exponential curve vs..
A. Charge
B. Voltage
C. Current
D. Voltage & Current
7. Resistance is Inversely proportional to ..
Area
Length
…

8. The speed of drift charge is called:
A. Electricity
B. Charge
C. Current
D. Voltage
9. Multi-capacitor formula:
A. n – 1
B. n + 1
C. n^2
10. Most used in generation:
A. Rotating coil
B. Rotating Field
C. Neither of them
11. Assembly matching/identification:
Permanent magnet alternator assembly / AC generator assembly / DC motor field action / DC armature permanent magnet AC generator field winding assembly

12. Transformer action:
Step up the voltage, Step Down the current at some fraction.
13. Piezoelectric = Pressure.
14. Lead-Acid Battery plates:
15. In parallel resistors: ____ same ____duffrent
Voltage
Current
16. Oppose the current of Induction / Determine current Direction:
A = Faraday’s 1st law
B = Faraday’s 2nd law
C = Lenz’s law
17. Filters that pass detectable low and above frequencies:
Ans: Band stop
18. Current in conductor of thick wire system:
A = Zero
B = Moderate
C = Not determined
19. If in an AC Alternator the Frequency and number of poles are given, the speed of the Alternator will be:
Fixed
Not fixed
Not constant
20. Permeability of a good shield magnetic field:
A. Very low / small
B. Small
C. High
21. Shaded pole characteristics:
Low Torque
Low power
22. If the capacitor plate distance is lower, then what will remain constant?
Field strength / plate charge / potential difference
23. If the number of coils increases, then Induction will:
A. Decrease
B. Increase
C. Remain same
24. Formula of power: 2pie….
25. Starting torque is highest in which DC motor?
A. Series
B. Shunt
C. Compound
26. In AC, the highest positive value and negative value will be:
A. Frequency
B. Time Period
C. Amplitude
27. Negative temperature coefficient material:
A. Copper
B. Carbon
C. Silicon
28. The analogue of self-inductance is sometimes called:
A. Electrical / magnetic inertia
B. Mutual Inductance
C. Hysteresis
29. DC Generator Bearing indication:
A. Magnetic loss
B. Mechanical loss
C. Electrical loss
30. Absolute permittivity unit:
A. Joule / second
B. Farad / meter
C. Weber / meter
31. Match the unit:
Flux = Weber
Flux density = Tesla
Ampere-Turn
32. Numerical:
Given: P = 12, V = 12V find I ?

33. Transformer definition:
Converts Electrical energy of one circuit into a different voltage level.
34. Induced voltage develops when a conductor or coil
:
A. Parallel to the flux
B. Perpendicular to the flux
C. cuts the magnetic flux
35. Velance electron more than .. in .:
metal / conductor / insulator

36. Good conductors and movement of charge :
A. Neutrons
B. Electrons
C. Protons

37. The analogue of static charge and interference is called:
A. Electrodynamics
B. Electrostatic
C. Electronic
38. Resistance depends or independent of type of material and temperature ?

39. MTC:
A.Only pole
….
..

40. Thermocouple is a:

41. Resistance is … in a circuit

42. Potentiometer features:
3 terminal / 2 terminal
Volume control use (Audio)

43. Third Band colour code of Resistor having Gold and Silver ..
10,1
5,10
1,10

44. Parallel Resistance formula:

45. Power numerical

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