State Norton’s theorem and draw the Norton’s equivalent circuit.
Concept: Norton’S Theorem
Using the mesh analysis find the mesh current in the direction shown and also find the voltage across A and B terminals.
Concept: Mesh Analysis
Find current IX using Superposition theorem
Concept: Superposition Theorem
Determine the value of R for maximum power transfer and find the value of maximum transfer.
Concept: Maximum Power Transfer Theorem
Find the RMS value of the waveform given below:-
Concept: RMS and Average Value
In an R-L-C parallel circuit the current through the resistor, inductor(pure), and capacitor (pure) are 20A, 15A and 40A respectively. What is the current from the supply ?draw the phasor diagram.
Concept: R-L, R-C and R-LC parallel circuits
Prove that the average power taking by a pure capacitor fed with a sinusoidal ac supply in a circuit is zero.
Concept: Power and Power Factor
Derive the formula for resonant frequency of the circuit with a pure capacitor in parallel with a coil having resistance and inductance. Find the expression for dynamic resistance of this parallel resonant circuit.
Concept: Series and Parallel Resonance
A resistance and a capacitor connected in series across a 250V supply draws 5A at 50Hz. When frequency is increased to 60Hz, it draws 5.8A. Find the values of R & C. Also find active power and power factor in both cases.
Concept: AC Through Resistance
A balanced 3 phase star connected load consists of three coils each consisting of R=6Ω and 𝑿𝑳= 8Ω . Determine the line current , power factor when the load is connected across 400V, 50Hz, supply
Concept: Three Phase Current Generation
Find the node voltages 𝑽𝟏,𝑽𝟐 𝒂𝒏𝒅 𝑽𝟑 and current through 0.5Ω
Concept: Three Phase Voltage Genration
Draw the phasor diagram of a single phase transformer when it is loaded with a lagging power factor load.
Concept: phasor diagrams of Single Phase Transformer
A single phase transformer has 1000 turns on the primary and 200 turns on the secondary. The no load current is 3A at a power factor of 0.2 lag and the secondary current is 280A at a power factor of 0.8 lag. Neglect R2 and X2 calculate (1) Magnetizing component and loss component of no load current. (2) primary current (3) input power factor .Draw phasor diagram showing all the currents.
Concept: Construction of Single Phase Transformer
Describe the basic principle of operation of a single phase transformer and derive the emf equation.
Concept: Working Principle of Single Phase Transformer
The OC and SC test data are given below for a single phase, 5KVA, 200V/400V, 50Hz transformer
OC test from LV side | 200V | 1.25A | 150w |
SC test from HV side | 20V | 12.5A | 175w |
Determine the following :-
1) Draw the equivalent circuit of the transformer referred to LV side.
2) At what load or KVA the transformer is to be operated for maximum efficiency?
3) Calculate the value of maximum efficiency.
4) Regulation of the transformer at full load 0.8power factor lagging.
Concept: OC and SC Test
Briefly explain the classification of DC machine.
Concept: Construction and Classification of Dc Machines
Semester 1 (FE First Year) Basic Electrical and Electronics Engineering can be very challenging and complicated. But with the right ideas and support, you will be able to make it work. That’s why we have the semester 1 (fe first year) Basic Electrical and Electronics Engineering important questions with answers pdf ready for you. All you need is to acquire the PDF with all the content and then start preparing for the exam. It really helps and it can bring in front an amazing experience every time if you're tackling it at the highest possible level.
Basic Electrical and Electronics Engineering exams made easy
We make sure that you have access to the important questions for Semester 1 (FE First Year) Basic Electrical and Electronics Engineering B.E. University of Mumbai. This way you can be fully prepared for any specific question without a problem. There are a plethora of different questions that you need to prepare. And that's why we are covering the most important ones. They are the questions that will end up being more and more interesting and the results themselves can be staggering every time thanks to that. The quality itself will be quite amazing every time, and you can check the important questions for Semester 1 (FE First Year) Basic Electrical and Electronics Engineering University of Mumbai whenever you see fit.
The important questions for Semester 1 (FE First Year) Basic Electrical and Electronics Engineering 2021 we provide on this page are very accurate and to the point. You will have all the information already prepared and that will make it a lot simpler to ace the exam. Plus, you get to browse through these important questions for Semester 1 (FE First Year) Basic Electrical and Electronics Engineering 2021 B.E. and really see what works, what you need to adapt or adjust and what still needs some adjustment in the long run. It's all a matter of figuring out these things and once you do that it will be a very good experience.
All you have to do is to browse the important questions for upcoming University of Mumbai Semester 1 (FE First Year) 2021 on our website. Once you do, you will know what needs to be handled, what approach works for you and what you need to do better. That will certainly be an incredible approach and the results themselves can be nothing short of staggering every time. We encourage you to browse all these amazing questions and solutions multiple times and master them. Once you do that the best way you can, you will have a much higher chance of passing the exam, and that's what really matters the most!