Electrical
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3 Factors affecting capacitance
There are three basic factors of capacitor construction determining the amount of capacitance created. These factors all dictate capacitance by…
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8 Transformer parameters
Introduction Transformers can vary, from a miniature high-frequency audio transformer to a large power transformer, the operating parameters are still…
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Introduction to Tachogenerators
An electromechanical generator is a device capable of producing electrical power from mechanical energy, usually the turning of a shaft.…
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OPERATING LIMITATIONS OF TRANSFORMERS
Transformer Losses (Heat) The efficiency of power transformers is high, especially, for large transformers at full load. However, losses are…
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Difference between primary and secondary cell
The primary cells make use of a chemical process which is not reversible. The cells have to be replaced after…
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Working Principle of Lead acid Cell
Introduction Lead acid cell is a secondary cell. That means they can be recharged when cell is discharged.let’s look in…
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Difference between Self induced & Mutually induced emf
If an emf is induced without moving either the conductor or the flux, such an In transformers and reactors static…
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INTRODUCTION TO ELECTROMAGNETIC INDUCTION
Concept of Electromagnetic induction : The phenomenon of electromagnetic Induction was discovered by oersted in 1820. Later faraday tried and…
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FUNDAMENTALS OF ALTERNATING CURRENTS
We have dealt so far with cases in which the currents are steady and is in one direction; this is…
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Advantages of A.C. over D.C.
A.C. means alternating current, the current or voltage which alternates its direction and magnitude every time. Now a days 95%…
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