wat you mean by harmonics? why you r using isolation transformer in digital ups or in normal means igbt ups?

0 Answers  

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What are boolean algebra and boolean expression?

0 Answers  

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which are the five general EMI(electromagnetic interference) testings conducted on any system?

0 Answers   Infosys,

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Can anyone send me question papers for section engineer for railways and send me on my id- abhay_jg@yahoo.com

0 Answers   RRB,

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what is the properties of good transformer oil

0 Answers  

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send me jto(telecom) exam papers

0 Answers  

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1.Why we have to use inductor in circuits, what is their behavior? 2. Why we have to use capacitor in circuits, what is their behavior?

1 Answers   Instronix,

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what are the advatages and disadvantages of Ku-Band compared to Extended-C band???

4 Answers   Airtel,

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Give an Example for negative feedback and positive feedback?

0 Answers  

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Which channel is used for SMS?

3 Answers  

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wat will happen to the windings if the required current is not given to a stepper or dc motor , but voltage is constantly applied to it below required current??

0 Answers   Freescale Semiconductor,

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in 8051 microcontroller port0 has no internal pullup why?

6 Answers  

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