Answer / guest

Selection of battery ampere hour .Increasing ampere hour
gives us back up time more

what is the flip flop

14 Answers   ABB,

---

Explain the operation of multistage control of ac voltage controllers with neat diagram?

0 Answers  

---

What is 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? Explain an ideal voltage source? Explain 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 half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there 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? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?

3 Answers   DRDO, Electronics,

---

On what topic questions are asked?

0 Answers  

---

why number of scanning lines per frame always odd in television?

1 Answers  

---

sir please provide me the previous technical papers for hpcl writtien exam

0 Answers  

---

he working principle of milk analyzer?how it is calculating Fat and Snf?

0 Answers  

---

what is the basic steps for designing an ups,inverters, and battery connections for series and parrallel connections in ups

0 Answers   Godrej,

---

How the cellular phone is working?

0 Answers  

---

In CDMA we are use PN'pseudo random noise ",why is is call Noise.

2 Answers   TATA,

---

Explain the functioning of stage.

0 Answers  

---

The function of a transistor used in any of the ics is to perform switching action and not amplification. Then why diodes are not used instead of transistors as diodes also exhibit the same switching action?

0 Answers  

---