Why does sidebands vl come in case of analog modulation?
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What are d uses of a diode . What is diode equation . And what is its use
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Explain why is an excess-3 code called an unweighted code?
What is point contact diode?
Why bjt is called current control device?
difference between pre silicon debug and post silicon debug
what is Zos
Explain the operation of 3φ bridge inverter for 1800 degree mode of operation with aid of relevant phase and line voltage waveforms?
What is VSWR? what are waveguides and their types. What is Aloha? Shannon's information capacity theorem, Sampling theorem, antenna gain, types of antennae, GSM/CDMA comparison, modulation techniques, Superheterodyne receiver
Why temperature coefficient of resistance of a semiconductor is negative?
explain with a suitable diagram how a vidicon pick-up tube is employed in a monochrome TV camera to develop luminance signal
i want RRB chennai section engineer model papers &previous years papers including GK, ARITHEMETIC, REASONING, GENERAL ENGLISH IN THE YEAR 2005,2006,2007, 2008.
what is the use of resister in any circuit?