Answer Posted / shanthi

Modulation is the process where a Radio Frequency or Light
Wave's amplitude, frequency, or phase is changed in order to
transmit intelligence. The characteristics of the carrier
wave are instantaneously varied by another "modulating"
waveform.

What is difference between 2 quadrant & 4 quadrant digital dc drive.

2911

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What are the operation of igbt?

986

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Explain shanon-hartley law.

958

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3-4 ques of instrumentation : data based.

1997

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What do you mean by drift velocity and mobility of a free electron?

938

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Define amplifier.

1003

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Magnetostriction is a phenomenon whereby the magnetisation of a ferromagnetic material leads to a change in

1014

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What are the two types of cyclo-converters?

1062

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Explain the function of cyclo-converter?

1005

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What is meant by pwm control in dc chopper?

1203

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how many types of thyristor are? shortly define them with purpose, application & working principle?

1855

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what is polarisation o antenna ?

2037

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I am b.tech graduate in ECE, and looking for a linux server admin course. Will that be beneficial for me. Or shall I opt for any other course like software testing? Please suggest me.

1507

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I am completed BE electronics and communication engineer I have 4 years experience in mainteance dept .am applying for c license is possible...How 2 get c license

1688

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pls send me the syllabus questions on rrb section engineer (telecom)

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