Answer Posted / walter dakura

the need for modulation is to improve quality signal.to reduce equipment complexing,to reduce antenna height

why odd number of lines used for scanning

2247

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How to Create the Cross connection with RRI & E1T1.

2248

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how to find the fault in smps if i am not getting the output

1897

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Compare the features of the three transistor configurations.

1209

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what is the diffeence between real time testing and GUI testing?

2283

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

1893

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Derive the expressions for average output voltage and rms output voltage of 1φ semi converter?

1161

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How many states does signal has?

1089

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steps which are performed in the bios POST codes

1963

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What is the work of BOIA, TRx, BB2F, Duplexer, Combiner, Multi-coupler, RRI.

3420

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What is the ideal op-amp CMRR ?

1111

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does capacitor requires ac or dc supply?Why?

1918

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What is the difference between dcs & plc & scada?

1310

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plz send the rrb junior engg and assistant loco pilot previous quastion papers

2009

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Explain why an ammeter should be of very low resistance?

1080

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