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Thursday, June 27, 2013
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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...
FDM Means and block diagram
ANS: frequency-division multiplexing ( FDM ) is a technique by which the total bandwidth available in a communication medium is divided in...
Different types of short circuit fault
Short circuit fault mainly two types: 1.symmetrical fault 2.unsymmetrical fault symmetrical fault agai...
What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?
ANS: The difference between the electronic and ordinary electrical regulator is that in electronic regulator power losses are less becau...
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...
ADVANTAGES OF BLUETOOTH TECHNOLOGY
1. No line of site restrictions as with IrDA. 2. Low power consumption makes integrated in battery powered devices very practical. 3. GHz ...
what is meant by electrical transients?
electrical transients An electrical transient is a temporary excess of voltage and/or current in an electrical circuit which has been ...
What is the difference between delta-delta, delta-star transformer?
Ans : Delta-delta transformer is used at generating station or a receiving station for Change of Voltage (i,e) generally it is used wher...
WHAT IS ELECTRICITY?
ANS: Electricity is a form of energy. Electricity is the flow of electrons. All matter is made up of atoms, and an atom has a center,...
design of electrical power systems
In the design of electrical power systems, the ANSI Standard Device Numbers denote what features a protective device supports (such a...
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ADVANTAGES OF BLUETOOTH TECHNOLOGY
What is power factor? Whether it should be high or...
Types of capacitors
Inductor ...
3-phase-loads
How self-driving cars drive itself precisely??
What is circuit breaker?
Lightning and Over-Voltage Protection
whats the one main difference between UPS & invert...
All about electric Symbols
What is the difference between transformer and aut...
Difference Between BJT and MOSFET
What is the difference between electronic regulato...
WHAT IS ELECTRICITY?
switchgear
What is Three-phase electric power?
Why should be the frequency 50 Hz 60Hz only why no...
Construction of a Simple Mobile Phone Jammer
What is the difference between electronic regulato...
Diode definition
How electric rice cooker works
phota diode definition
Hand Generator
What is meant by knee point voltage?
Why transformer ratings are in kva?
Why in a three pin plug the earth pin is thicker a...
Construction of three pin plug
construction of electrci car
Touch Switch Project
FDM Means and block diagram
How does a DC Generator work?
AC Generators basic
DC Generators basic
solar panel
speaker for your laptop
basic logic gates tutorial
Do u know about the electric shock?
Define the following: Average demand, Maximum dema...
mosfet capacitor configuration images
555 Timer PWM Audio Amplifier
Which is more dangerous AC or DC ?
Junction Diode Symbol and Static I-V Characteristics
Compare between as 4-‐stroke engine and 2-‐stro...
State the methods of improving power factor ?
Power MOSFET Basics
Build Your Own Simple DC Motor
How Hydropower Power Plant Works?
General layout of steam power plant
General layout of steam power plant
Fleming's left-hand rule for motor
Corona effect in night time
Operational amplifier description
Alarm circuit description
Winding installation in semi-closed slots
** Why AC systems are preferred over DC systems?
History of ammeter?
POWER FACTOR FOR AC POWER
what is meant by electrical transients?
How Does a Transformer Work?
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