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DIY Electrical Electronics Projects
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Basic Electrical Electronics Projects, Tutorials study guide
Basic Electrical Electronics Projects, Tutorials study guide

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Comparison Between Synchronous Motor and 3-Phase Induction Motor In this short post let us see difference between the 3-Phase Induction Motor and the synchronous motor. Before proceeding further let us refresh the basics of both the motors. Motors…

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What is Earthing? Earthing is the process of making metallic connection of the body to the earth (which is at zero potential) for the safety of the human body from shocks. Generally all metallic covers of machines, starter or sheathing of wiring are…

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Understanding Hysteresis loop, Hysteresis Loss In this post let us see what is meant by hysteresis loop and what is meant by hysteresis loss…. Before that it is highly recommended to read about terms related to magnetic circuits. Please click here to know…

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AC Circuits – Sinusoidal Waveform Terminology: Amplitude: The amplitude of sine wave is the maximum value (V/I) reached during a positive or negative alternation. Peak value: It denotes the maximum value of the alternative quantity reached during a…

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Control System Interview Questions with Answers – Part-2 [1] What are the three basic elements of control systems? (i) Feedback element (ii) Controller (iii) Controller system [2] What are the basic elements used for modelling mechanical rotational…

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Speed Control Methods of Induction Motor: The speed of the induction motor is given by, From the above equation, the speed of the motor can be controlled by changing supply frequency and by changing number of poles in the stator. Control From Stator Side:…

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How LDR Works? Photoresistor Basics, Working, Limitations Introduction: What is meant by LDR? LDR = Light Depended Resistor. As the name indicates its resistance value depends upon the amount of light falling on it. It is also known as Photoresistor,…

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Opamp Based Mini Project: Photoresistor (LDR) sensed relay Tripping In this post, let us see in detail about how the opamp controls the relay coil by sensing the light using LDR. Before proceeding further it is recommended to read the Post: Opamp Based…

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Control System Interview Questions and Answers [1] What is meant by system? A system is defined as any physical object comprises of various components which are inter connected with each other by some characteristics. Example: Automobile [2] What is meant…

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Opamp 741 Based Mini Project: Trip the Relay Using Photoresistor(LDR) The basics of the Light Depended Resistor (LDR) or photoresistor is discussed separately in another post. In summary, In the presence of brightness, the LDR has low resistance. In the…
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