difference b/w electronics and electrica ?

3 Answers  

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trains run on ac or dc?? if ac or dc what are the advantages and disadvantages?????

4 Answers   ABB, Infosys,

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tell me about favourie colour?

1 Answers   IBM, TCS,

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two progress are given. one starts counting from 0 to MAX and the other ?

0 Answers   Verifone,

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How many memory locations can be addressed by a microprocessor with 14 address lines?

4 Answers   HCL,

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what is the difference between electrical and electronic chokes

0 Answers  

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an unknown semiconductor has Eg=1.1ev and Nv=Nc.it is doped with 10^15 donors,where the donor level is 0.2ev below Ec. given that Ef is 0.25ev below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300k.

1 Answers   Universiti Malaysia Pahang,

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What is meant by dc chopper?

0 Answers  

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What is meant by virtual ground in the op amp ?

15 Answers   TCS,

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What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

0 Answers   MAHINDRA,

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What is meant by voltage regulation of a dc power supply?

0 Answers  

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What is meant by pre-emphasis and de-emphasis?

24 Answers   BEL, BSF,

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