Course Content
Module-1 (VIQ with answers)
0/6
Introduction
01:38
1. a) Illustrate with examples, Kirchhoff’s laws as applied to an electric circuit ? b) State and explain Ohms law with limitations?
07:08
2. With neat single line diagram explain the various steps of electrical power transmission and distribution system.
03:43
3. With block diagram explain i) hydel power generation ii) Nuclear Power Generation iii)Solar Power Generation iv) Wind Power Generation.
13:43
4. For the circuit shown resistor in fig (i) find the current in 20 resistor
05:22
5. A circuit of two parallel resistors having resistances of 200 and 300 connected in series with 152. If the current through 150 resistor is 3A. Find i) current in 200 and 300 resistors ii) voltage across the whole circuit iii) the total power and power consumed in all resistors.
05:23
Module- 2 (VIQ with answers)
0/5
Introduction
01:30
1. Define the following by referring a sine wave i) RMS value ii) average value iii) form factor iv) peak factor v) phase and vi) phase difference
04:41
2. Show that the current through purely capacitive circuit leads the applied voltage by 90o and average power consumed is zero. Draw the wave shapes of current, voltage and power.
07:02
3.With the help of circuit diagram i. Show that current lags the voltage for R-L series circuit ii. Show that current leads the voltage for R-C series circuit?
06:33
4. Three coils having resistance of 10Ω and inductance of 0.02H are connected in star across 440V, 50Hz three phase supply. Calculate the line current, power factor and total power consumed
03:21
Module- 3 (VIQ with answers)
0/7
Introduction
01:28
1. Explain the principle of operation and construction of DC motor ?
05:24
2. Derive EMF equation of DC generator?
04:53
3. Derive an expression of armature torque developed in a D. C. motor.
04:20
4. Explain the various methods used to control the speed of D.C. series motor ?
03:10
5. A 4 pole D.C. shunt motor takes 25A from a 250V supply. The armature and field resistances are 0.5Ω and 125Ω respectively. The wave wound armature has 30 slots and each slot containing 10 conductors. If the flux per pole is 0.02wb, calculate i) speed ii) torque developed iii) power developed.
03:09
6. Explain the significance of back EMF? Explain characteristics of DC shunt motor?
04:11
Module- 4 (VIQ with answers)
0/7
Introduction
01:57
1. Derive EMF equation of transformer?
05:30
2. What is slip of an induction motor and derive expression for frequency of rotor current in terms of supply frequency.
02:29
3. Explain the various losses in a transformer and how to minimize them?
05:23
4. Derive the condition for maximum efficiency of transformer ?
06:53
5. With neat diagram explain the types of three phase induction motor
02:42
6. A three phase induction motor with 4 poles is supplied from the alternator having 6 poles running at 1000rpm. Calculate synchronous speed, rotor speed of the induction motor when slip is 0.04 and frequency of the rotor emf when the speed is 600rpm.
03:46
Module- 5 (VIQ with answers)
0/6
Introduction
03:27
1. What are the desirable characteristics of tariff and explain two per tariff?
02:47
2. What is earthing? Why earthing is required? With the help of a diagram explain Plate earthing and Pipe earthing?
07:44
3. Write a short note on precautions against the electric shock
03:29
4. Explain the writing principle of fuse and MCB
05:51
5. With neat circuit diagram and switching table explain two way and three way control of load?
03:35
Study Materials all 5 modules
0/5
Module 1
00:00
Module 2
00:00
Module 3
00:00
Module 4
00:00
Module 5
00:00
Introduction to Electrical Engineering || All 5 MODULES || BESCK104B || BESCK204B || Very Important questions with solutions EXPLAINED || Last moment exam preparation
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