Define negative frequency?

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what is the difference bet 4 wire transmiiters and 2 wire transmitters

0 Answers   Vacmet,

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what is the diffrence between S7 200 & S7 300 plc

0 Answers   Amara Raja,

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why always current in some amp and voltage is 230?

2 Answers  

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i am electronics & comm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you akil403@yahoo.com

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....................... regulator operates the power transistors as high frequency on/off switch. A Series B Short C Switching D None of these

0 Answers  

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India is the power supply is 230v 50hz,so why the other countries 110v 60hz AC power supply why?

5 Answers   BEL,

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What Are The Various Types Of Numbers For Network Identity?

0 Answers   Ericsson,

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Why transistor is called current controlled device?

0 Answers  

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What is the weight per meter (Kg/m)of 0.5mm dia copper 10 pair,50 pair and 100 pair,200 pair,500pair telephone cables?

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What is handover?

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What is meant by the deflection sensitivity of a cro?

0 Answers  

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