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?

1556

what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

1663

Can you tell me any four vegetable fibers?

1

hai friends please send me the previous question ntpc questions both tecnical and apptitude papers for my mail. and also post me the areas in which u have faced difficulties that might help ful to me. so please send the answer to my question. my mail id is sweety4834u@gmail.com

1495

Please give the model or previous year question paper for the lecture post in government Engineering College (Electronics and Communication)

1325

Explain what are the problems that are associated with the expansion joints?

650

What is the three method of heat transfer?

614

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1154

what is doid

2282

what is easiest way to read STL language in PLC?

2652

What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

1534

Any body have know try work calculation ???

977

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

2487

hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

1465

What is meant by impedance diagram?

672