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DCTL d. None of the above In the given fig find radix of the system a. The maximum value of gain K for which the system is stable is- a. A windscreen wiperb.

Aqualung c. Respiratory system of an animal d.

JECA Question Paper Answers WB JECA Previous Year Old Past Papers

A system for controlling Anti-rocket missiles. Consider the following expressions indicating the step or impulse response of an initially relaxed control system Mark the most suitable V-function in this casea.

Only V1 b. Only V2 c.

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Both V1 and V2 d. Neither V1 nor v2 Identity the polar plot of a typical type zero system with open loop transfer function The scattering matrix of a magic tee shown in the given figure is- Which is the following relate to rational transfer function of a system Ratio of Fourier transform of output to input with zero initial conditions.

Ratio of Laplace transform of output to input with zero initial conditions.

Laplace transform of system impulse response. Laplace transform of system unit step response select the correct answer using the codes given below. Codes a. And 88 c. Pulse radarb.


Tracking radar c. MTI radar d. Mono pulse radar The 1. The attenuation is higher than at 0.

Suitable laser devices have not yet been developed d. It does not lend itself to wavelength multiplexing Pre-emphasis in FM systems involves-a. Compression of the modulating signalb.

Expansion of the modulating signal c. Amplification of lower frequency components of the modulating signal.

Amplification of higher frequency components of the modulating signal. In a terrestrial microwave system transmission of signals is achieved through-a.

Casse grain feed is used with a parabolic reflector toa. In most microwave communication link rain drop attenuation is caused due to-a. Circuit in the given figure represents. A monostable multivibrator c. Voltage controlled oscillator d. Ramp generator. Maxwells 1st equationb. Maxwells II equation c.

West Bengal Joint Entrance Exam MCA (WB JECA)

Maxwells III equation d. TM01 c. Tm10 d. TM11 In directional coupler a portion of power two velliry fram port 1 to port 2 is coupled to. For high power i. Barometer are used b. Thermisters are used c. Calorimetric technique d.

WB JECA Previous Question Papers PDF Download – West Bengal JECA Model Papers

Hown antennas b. Alaska 5. Russia 6. China 7. Basketball 8. Tiger Woods 9. Northern Lights Tooth Decay Abbey Road Trumpet Ed DU B. Ed JMI M.

Ed Entrance M. BioTech Ent. Scotland Cricket Golf Blue Whale Jamaica Wodehouse Michelangelo It should be confirmed whether all relevant particulars have been filled in the answer sheet.

Students must write their name, Roll No. Be cautious that answers in excess of prescribed number will be ignored by examiner.

Hence attempt the prescribed number of questions only. Stay positive and have faith in oneself. When others can do it, then for sure even you can do it.

These exams are designed to check your knowledge in particular sections. Plan Smartly — Once you have made up your mind to prepare for a competitive exam or to enter a particular sector, the most important thing is to plan your way. Get a rough idea when these exams are conducted in a given year and calculate how much time is with you for your preparation.

Break-up of time — Make a daily time table and do not forget to include your recreational activities in it. Also try to shuffle the subjects so that you do not get bored.

You should try studying for at least 4 hours a day. Take time out for reading newspaper daily.

Prepare notes — Whatever you study, try maintaining a notebook for it. Go through this notebook at the time of revision. Set a finishing date — Set a finish date on your mobile, calendar or put it on your table. By this date you should finish learning new concepts. It is important that you stick to this date. After this you can start applying what you have learnt and see your performance by giving mock tests, practice previous year papers etc.

Quantitative Aptitude — Quantitative Aptitude should be given utmost importance at the time of preparation. Try practising questions daily. Go through the concepts first and then solve problems. Enrich your Vocabulary — Improving your vocabulary will help you a great deal in your English section. Questions on Synonyms, Antonyms and One word substitution will become an easy nut to crack.

Gupta 2. K Subburaj By G.Original mark sheet of Madhyamik or equivalent examination. By this date you should finish learning new concepts. When you achieve your target, you will feel happiness and it will boost your confidence.

Relaxation is therefore an absolute necessity in order to allow the mental faculties to exercise the greatest freedom.

AND d. Both V1 and V2 d. Also try to shuffle the subjects so that you do not get bored. Learn and practice relaxation techniques: Tensions leads to mental unrest and abnormal mental activity of the mind; it produces worry, care, fear and anxiety.

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