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interviewr asked about sampling theorem and i said the common def.(i.e ...sam freq must >=s max freq in the signal for a sampled signal to recover without alising).he asked that i have a sin signal of freq 1hz and i sampled at two zero amplitude points can it be recoverable without aliasing????
BARC,
4 7704how to switch on electrical appliances through mobile call not sms please refer me connections detail or even link will do ?
1 3634Difference between SONAR and RADAR? Can we use SONAR instead of RADAR? How can you 'swap' two numbers in two registers (using ALU), without using 3rd register?
BEL,
1 8712Draw the current Vs time graph for an inductor connected to a d.c. source. How will you measure power of a transmissioon line? Tell all the steps alongwith the components used in power generation. Which law governs the induced emf?
Bhel,
2804Post New Electronics Communications Questions
What are the applications of buffer?
Explain what is an excitation table?
Tell me how to calculate knee point voltage? Describe its purpose for differential protection.
What is snubber circuit?
What is DTX? Why is it used?
Define what is meant by phase reversal?
What is difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?
Differentiate semiconductors, conductors and insulators on the basis of band gap.
Why memory width is not 16-bit? In stead of having 8-bit in 8085?
For high frequency applications will you prefer mosfet or igbt? Why?
State the different types of flip flop?
How does frequency affect the size of smps?
What are the applications of tunnel diodes?
How to Create the Node file with 1 E1 (4+4+4).
how can power amp inc the power without inc the voltage or current values?
