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Construction of a Simple Mobile Phone Jammer

Construction of a Simple Mobile Phone Jammer
What is difference between an Alternator and a Generator?

ANS: In a generator, an armature is spun inside a magnetic field. The armature consists of several coils which generate electrical energ...
What is meant by knee point voltage?

ANS: Knee point voltage is calculated for electrical Current transformers and is very important factor to choose a CT. It is the voltage ...
History of ammeter?

An ammeter is a measuring instrument used to measure the electric current in a circuit. Electric currents are measured in amperes (A), henc...
Why we use a capacitor in an electric fan?

Answer: 1. Capacitor is used for both starting the electric fan and improving power factor. 2. The voltage taken by the fan during...
Different types of short circuit fault

Short circuit fault mainly two types: 1.symmetrical fault 2.unsymmetrical fault symmetrical fault agai...
Types of capacitors

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Why synchronous generators are used for the production of electricity?

Answers: synchronous machines have capability to work on different power factor (or say different imaginary power varying the field emf.) ...
Construction of three pin plug
Battery talk:

The battery is a very useful product. This is the type of battery. Such as - The first 2ta byatarike can be divided into: 1. Primary: tatak...