Why does all cellular networks have same shape of sim? Why is it designed in such a particular shape? Does it have any other shape?

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What will happen when higher size of cable used instead of required size example 1.5 sqmm used in place of .75 sq mm whether it will create any problem for communication?

1 Answers  

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Why half-wave rectifiers are generally not used in dc power supply?

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can you give me example of igbt drive circuit... i still not under stand how it can be design with certain equation using mathlab program...

0 Answers  

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which modulation is better in terms of power and bandwidth angle or amplitude modulation ???

0 Answers   PTC,

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what is resister

6 Answers  

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Explain the operation of multistage control of ac voltage controllers with neat diagram?

0 Answers  

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What problem arise if we use regulators without/before filters?

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Video signal is composed of Camera signal carrying? Information,Receive or Picture information?

1 Answers  

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Explain the different modes of flyback converter

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16:16::25:? A]25 B]16 C]32 D]1

2 Answers   Bhel, MahaGenco, Syntel,

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WHEN DO WE USE CAPACITOR AND INDUCTOR AS STORING DEVICE?

2 Answers  

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