Answer Posted / rehan

two types of modulations are used(1)amplitude
modulation(AM)for video(2)frequency modulation(FM) for audio.

What is conductor?

1079

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What is equalisation? Why do we need it?

4895

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What is hybrid parameter?

1031

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How to measure frequency without cro?

1053

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Compare the features of the three transistor configurations.

1151

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why sawtooth waveform is used in thyrisrot triggring circuit

2445

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What do you by interfacing in PC ?

1905

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what are the applications of integrators?

1062

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Why emitter is always forward biased?

1177

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what is the ratio of Rf &R1 in wean bridge oscillator

1970

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Explain the difference between power amplifier and voltage amplifier?

989

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what must be the kind of test on innovatronix

3069

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Define what is meant by led?

1076

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What is the protocol ?

5403

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can u send me previous question papers of secction engineer (electronics),chennai rrb.

2148

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