pls send me the syllabus questions on rrb section engineer
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i want BHEL electronics and communication placement papers.
What are the poles of alternators made of?
why rxlevel is negative valued ???
In which of the following is an operational amplifier (op-amp) used? a. Oscillators b. Filters c. Instrumentation circuits d. All of the above
an oscillator is associated with an basic amplifier for producing oscillations,for production of oscillations the amplifier needs some input voltage but under the oscillation condition the input voltage is zero,why?
What are chebushev filters?
What is meant by pulse triggered devices?
Define knee voltage of a diode.
What is meant by unidirectional or half-wave ac voltage controller?
Explain digital circuits and the various components used in creating them?
What are the three stages through which pll operates?
what is setup time and hold time ?
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