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how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...
2091anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS
2418What 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 10431Why we need two angle of projections ( 1st angle and 3rd angle)? Cant we standardize to one.
2 17944explain any 4 search engines? explain any 3 web server? list out the diff e-commerce to perform the electronic data interchange transition?any 5 in detial
2061HI frds,,,am final yr IT student.. i secured 81% in x 55% in xii 87% in Btech upto last sem (no standing arrears..) i dt kw clearly abt MNC eligibility criteria.. i heard tat TCS hired 1y abv 60% 1y..so pls help me.. wic cmpnys r anouncd 55% may eligibl in 2011??? pls rly me clearly and sugst som of d compny names...
1 2412
Mention what is the difference between yarn and thread?
what is the different between deflection type measurement and null type measurement in RTD?
Define maximum demand?
Can anyone send me iocl written test paper fro computer engineers
errection check list for transformer maintenance
Who discovered non-newtonian fluids?
In C language,What is the use of f in printf or scanf statement? Whether it indicates the function if so the brief explanation ortherwise what is the main reason behind that f in printf/scanf statements?
what is the difference between fire grate in a boiler and the burner? and is the fire grate is the furnace of the boiler?
in block masonry l=10',b=0.5',H=10',Calculate cement ,sand and no.Of blocks?
What is the unit of magnetic flux density?
Explain what is an operational amplifier?
What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design
What is the use of try square?
Laying bitumen concrete 40mm thick using 0.1372 cum of 13.2 10mm metal ,0.2387 cum of 10 5mm metal...what did it means please explain me how much cum of 10 mm metal need?
Why is back emf used for a DC motor? Highlight its significance.
