Why 440 volts instead of 660 volts in 3 phases of supply system?

0 Answers  

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Where to use friend function in binary operator overloading . How? explain with an example.

0 Answers  

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What is noise in modulation?

0 Answers  

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Explain why cannot we use leds for rectification purpose?

0 Answers  

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what are the best institutes in hyd for groups

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Compare GSM and CDMA. And which one is better and why??

4 Answers   HCL, Matrix,

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in ne555 ic timer circuit ne refers what?

3 Answers   Infosys,

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What do you mean by protection loop?

1 Answers   NSN,

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hai friends.................the question paper pattern 100 aptitude....100 technical ....duration 120 minutes.....technical is cover all the previous competitive exams (jto,bel,,,,,) but prepare well basics of each subject,,

0 Answers   BDL,

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an oscillator is associated with an basic amplifier for producing oscillations,for production of oscillations the amplifier needs some input voltage but under the oscillation condition the input voltage is zero,why?

5 Answers  

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Differentiate between microcontroller and microprocessor.

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Explain the difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?

0 Answers  

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