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 Categories >> Engineering >> Electronics Communications
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Question Asked @ Answers Views     Select
what is electronics    4  51
what is the significance of 4-20ma signal in hart protocol    2  25
jkms flip flop applications    2  44
What is skin effect?    1  47
Which modulation is good for Radio Broadcasting. AM(Amplitude Modulation) or FM(Frequency Modulation)?    4  76
what is the uses of VSB?    1  57
transformer works only on    3  84
how to determine AC frequency through hardware ?    0  35
what is inductive couplers    0  25
why three pick-up tubes are provided in a clour camera?    0  32
explain with a suitable diagram how a vidicon pick-up tube is employed in a monochrome TV camera to develop luminance signal    0  26
1. What is the range of latching current of scr 10 a? 2. Write power rating of heat sink ?    1  67
why capictor in micro or in nano why cannot it in kilo or megha?    1  85
I went to Germany for my masters and stayed there for 1.5 months. Due to personal reasons I came back to india and I want to apply for student visa for USA..will there be any issues?    0  39
1. Ray writes a two digit number.  He sees that the number exceeds 4 times the sum of its digits by 3.  If the number is increased by 18, the result is the same as the number formed by reversing the digits.  Find the number.  a) 35 b) 42 c) 49 d) 57    1  70
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Un-Answered Questions
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differnce between ups and inverters. Series and parallel batteries connections of ups. 129
what is ISR? what is the return value of ISR? 438
How many Tx Port in One Duplexer. 154
send me cutoff of surat nit for 1206
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? 203
Hi Friends, I am preparing for Airport authority of India ,so please forward me question papers and questions that are generally asked in test. my email ID is 229
GET-2013 exam is going to be held on which day(tentatively). 81
what is the necessity of phase locked loop in amplitude modulation systems ? 264
is Motorola GSM Duplexer active or passive device? 409
xplain clearly each layer of osi and tcp reference modle 115
i want to know the syllabus for management trainee exam,vizag steel plant,2009 1181
what type of quesions asks in interview? 310
I am importing dc-dc converters from singapore to india. how much tax will be applicable towards Custom duty.and the rates of the custom duty. 358
what should I refer for examination of BSNL-TTA. Please suggest me good that I can clear this exam. 149
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