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Basic Electrical Engineering Quiz

Total questions: 82

Worksheet time: 4hrs 59mins

Name
Class
Date
1.

State ohms law.

4 lines
2.

State ohms law.

a)
V = R / I
b)
R = V - I
c)
Ohm's Law: V = I * R
d)
I = V + R
3.

List the applications and limitations of ohms law.

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4.

List the applications and limitations of ohms law.

a)
Ohm's Law is used to calculate the relationship between voltage, current, and resistance in electrical circuits.
b)
Ohm's Law applies only to AC circuits and not to DC circuits.
c)
Ohm's Law can predict the speed of electrical signals in a wire.
d)
Ohm's Law is used to measure temperature in circuits.
5.

List the applications and limitations of ohms law.

a)
Only applicable to AC circuits
b)
Useful for calculating power factor
c)
Applies to all types of materials
d)
Applications: Circuit design, electrical engineering, troubleshooting; Limitations: Only for ohmic materials, does not apply to non-linear components or varying temperatures.
6.

State kirchoffs laws.

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7.

Solve the problems using KCL & KVL.

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8.

Derive an expression for equivalent resistance for series and parallel connected circuits.

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9.

Define power and energy.

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10.

Solve the problems on series and parallel circuits.

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11.

Define magnetic field, flux, flux density, mmf, magnetic field intensity, reluctance and permeability.

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12.

Give the analogy between electrical and magnetic circuits.

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13.

State Faradays laws.

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14.

Explain with example Flemings rules and lenz’s law.

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15.

Explain and derive an expression for statically and dynamically induced EMF.

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16.

Solve problems on statically, dynamically induced EMF.

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17.

Explain Generation of sinusoidal voltage.

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18.

Define time period, frequency, amplitude, phase, phase difference, average value RMS value, Form factor and peak factor.

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19.

Explain phasor diagram and wave forms of AC circuits with R, L, C, RL, RC and RLC.

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20.

Solve problems on AC Circuits.

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21.

Solve problems on parallel series parallel circuits.

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22.

Calculate real, reactive, apparent power and power factor.

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23.

Explain principle of operation of single phase transformers.

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24.

Compare core and shell types of transformers.

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25.

Derive an EMF equation of transformer.

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26.

Derive an expression for efficiency.

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27.

Explain different losses of transformers.

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28.

Solve problems on EMF equations and efficiency.

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29.

Derive an EMF equation of transformer.

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30.

Derive an expression for efficiency.

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31.

Explain different losses of transformers.

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32.

Solve problems on EMF equations and efficiency.

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33.

Explain of RMF.

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34.

Explain principle of operation of 3 phase IM.

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35.

Analogy between types of IM.

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36.

Define slip.

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37.

Explain its significance.

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38.

List the applications of types of IM.

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39.

Explain necessity of starter.

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40.

Explain starting of an IM using star delta starter.

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41.

Solve problems on slip.

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42.

Explain principle of operation of alternator.

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43.

Distinguish between types of alternator rotors.

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44.

List the applications different types of generators.

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45.

Derive an EMF equation of an alternator.

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46.

Explain concept of winding factor.

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47.

Solve problems on EMF equation and winding factors.

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48.

Introduction to generation, transmission and distribution of electrical power.

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49.

Explain hydel power generation using block diagram.

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50.

Explain nuclear power generation using block diagram.

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51.

Explain solar power generation using block diagram.

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52.

Explain Wind power generation using block diagram.

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53.

Explain different types of wiring.

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54.

Explain two way and three way control of lamp.

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55.

Explain different protective devices like fuse, MCB’s.

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56.

Explain the Power rating of household appliances including air conditioners, PCs, laptops, printers, etc.

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57.

Define “unit” used for consumption of electrical energy.

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58.

Explain electric tariff.

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59.

Problems on energy consumption by electric loads.

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60.

Explain different protective devices like fuse, MCB’s.

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61.

List out the points considered for safety measures to prevent electric shock.

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62.

Explain earthing and types of earthing.

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63.

What is Lenz’s law statement and explanation?

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64.

What are Flemings right hand and left hand rules?

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65.

What is the average value, r.m.s value, form factor, and peak factor of 1-phase a.c voltage?

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66.

What is the concept of leading and lagging in phasor representation of alternating quantity?

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67.

What is the analysis of a.c through pure resistance and pure inductance?

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68.

What is the analysis of a.c through pure capacitance?

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69.

What is the analysis of a.c through R-L series circuit?

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70.

What is the analysis of R-C and R-L-C series circuits?

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71.

What is the concept of power factor and its importance?

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72.

What are the problems on a.c series circuit?

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73.

What is the working principle of a 1-phase transformer?

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74.

What is the EMF equation of a 1-phase transformer?

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75.

What is the production of rotating magnetic field by 3-phase supply?

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76.

What is the working principle of a 3-phase induction motor?

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77.

What are the advantages and disadvantages of stationary armature in alternators?

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78.

What is the EMF equation of a synchronous generator?

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79.

What are the conventional and non-conventional energy resources?

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80.

What is the calculation of electrical energy consumption for domestic loads?

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81.

What is the working principle of fuse and MCB?

4 lines
82.

What precautions should be taken against electric shock?

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