Which frequencies can't be used reliable beyond the horizon terrestrial communication without repeaters?

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sir please provide me the previous technical papers for hpcl writtien exam

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pls send me mahagenco previous entrance exam question papers

0 Answers  

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What is the use of induction motor?

3 Answers   Micromax,

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How many GDA exists for a group ?

0 Answers   HPCL,

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Which type of devicesa used for detection of radio active field in side the reactor building?

0 Answers   BARC,

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hi .. i have done my b.e in under electronics and communication engineering and now i have opted for computer engineering which has most of communication related subjects. still what should i answer, if i am been asked "why didnt yu opt for electrical engineering"

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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 multiibrator.What is the function of multivibrator,and also application.

3 Answers  

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what are the basic logic elements?

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What is mean by R, Y, B, Bk in wiring???

1 Answers  

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Which oscillator is best for general purpose?

0 Answers  

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