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  • MPPSC 2016 Answer Key

    MPPSC 2016 Answer Key

    dslwebtech

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    MPPSC 2016 Answer Key Madhya Pradesh Public Service Commission Madhya Pradesh Public Service Commission Has Released the Answer Key of Exam 2016 which was conducted at 24 January 2016. Candidate can download the answer key of MPPSC Prelims 2016 Paper by  clicking the link given below. To Download the Answer Key Click Here

  • LINEAR VERSUS SWICTHING POWER SUPPLIES

    LINEAR VERSUS SWICTHING POWER SUPPLIES

    deepakgenius716

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    Switching and linear regulator use fundamentally different techniques to produce a regulated output voltage from an unregulated input.Each technique have advantages and disadvantages.So the application will determine will determine the moist suitable choice. Linear power supplies can step-down an input voltage to produce a lower output voltage.This is done by operating a bipolar transistor or…

  • What is Nixies

    What is Nixies

    deepakgenius716

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    Gas disharge plasma displays are the most well known type of alphanumeric displays.Their operation is based on the emission of light in a cold cathode gas filled tube under breaking down condition.These cold cathode numerical indicators are called Nixies.(Numicators and Numbertrons). The Nixie tube is a numeric indicators based on glow disharge in cold cathode…

  • Measurement of temperature

    Measurement of temperature

    deepakgenius716

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    Optical fibres can be used for measurement of temperature.This is because the temperature induces changes in refractive index of the fibre.In fibre the refractive index is a function of  both composition and temperature and it changes at different rates in response to a temperature changes.A higher temperature change cause the critical angle of the fibre to change…

  • Firewalls

    Firewalls

    deepakgenius716

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    A firewall is a system that enforces an access control policey between two networks-such as your private LAN & the unsafe,public internet.The firewall determines which inside service can be accessed from the outside & vice-versa.The actual means by which this is accomplished varies widely,but in principal,the firewall can be thought of as a pair of mechanism:one to block traffic &…

  • Bharat Coking Coal Limited (B.C.C.L)

    Bharat Coking Coal Limited (B.C.C.L)

    deepakgenius716

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    Bharat Coking Coal Limited is a subsidiary of Coal India Limited,Government of India Enterprise,mainly situated in the state of Jharkhand & partly in West Bengal.It is the largest coal company operating in the Jharia coalfields & is the prime source of coking coal in the country. The management of the coking coal mines in Jharia…

  • Impulse Wave Shapes

    Impulse Wave Shapes

    deepakgenius716

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    In practice two types of impulse voltages can occur (i) full wave and (ii) chopped impulse wave.If the lightning surge travels along the transmission line,it results in full wave impulse voltage reaching to transformer.Whereas if the surge voltage causes a flash over just before reaching to transformer it results in chopped impulse wave. The full…

  • The Zero-Power Factor Characteristic or The Potier Charateristic

    The Zero-Power Factor Characteristic or The Potier Charateristic

    deepakgenius716

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    The zero-power factor characteristic (ZPFC) of an alternator is a curve of the armature terminal voltage per phase plotted against the field current obtained by the operating the machine with constant rated armature current at synchronous speed and zero lagging power factor.The ZPFC is some times called potier characteristic after its originator. For maintaining very…

  • Armature leakage reactance

    Armature leakage reactance

    deepakgenius716

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    In an a.c. machine,any flux set up by the load current which does not contribute to the useful flux of the machine is a leakage flux.The effect of the leakage flux is set up a self-induced emf in the armature windings. The leakage fluxes may be classified as follows: 1.Slot leakage 2.Tooth head leakage 3.Coil-end…

  • Computer Virus

    Computer Virus

    deepakgenius716

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    The greater threat to computer is a computer virus,a program that causes a computer system to behave in unexpected and undesirable ways.Some signs of a virus include inexplicable loss of free memory,unusually long times for program loading or execution,changes in file or program size,print routines that stop working ,computers”freezing up”‘strange beeps or messages,computer reboot in the middle…

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