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Online Electrical Engineering Magazine
Online Electrical Engineering Magazine

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Unijunction Transistor (UJT) With Operation & Applications
What Is Unijunction Transistor (UJT) ? The unijunction transistor, abbreviated UJT, is a three-terminal, single-junction device. The basic UJT and its variations are essentially latching switches whose operation is similar to the four-layer diode, the most ...
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Principle & Working of Buck Converter ( Step-Down Chopper )
In the previous articles we have seen basic operation and principle of a chopper.In this tutorial we will see  Principle of Step-Down Chopper (Buck-Converter) with a neat sketch of circuit diagram Don't Know What Is Chopper ? Click Here To Read It Now.. Buc...
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What Is Chopper ? Classification Of DC To DC Power Converters/Choppers
What Is Called A DC Chopper ?  A d.c. chopper is a static device (switch) used to obtain variable d.c. voltage from a source of constant d.c. voltage. In the right below figure you can see circuit diagram of a chopper. Therefore, chopper may be thought of a...
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Differences Between Instrument and Power Transformers
In this article differences between power transformer and instrument transformer are discussed.Current transformer and Potential transformers come under instrument transformers. Differences Between Instrument and Power Transformers Power Transformers Instru...
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