I have completed BE in electronics and communication. Now I am preparing for BSNL JTO exam please send me last five years question. 19 Apr Get BSNL JTO Sample Papers, Exam Pattern. BSNL JTO Previous Year Question Papers with Answers for ECE from here. 11 Aug Applicants can obtain the last year Question papers of BSNL JTO Exam we provide the BSNL JTO Model Papers along with answers PDF.

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The electrical conductivity of metals which is expressed in ohm-1 m-1 is of the order of – a b c d Answer is: Join these sentences meaningfully by choosing the correct alternative from the following: The circuit that separates composite video warefore from the sync pulses is- a the keyed AGC amplifar b a clipper c an integrator d a sawtooth current Answer is: The primary control on drain current in a JFET is exerted by – a Channel resistance b Size of depletion regions c Voltage drop across channel d Gate reverse bias Answer is: Time constant of an RC circuit increases if the value of the resistance is – a Increased b Decreased c Neither a nor b d Both a and b Answer is: Signal transmission in sky wave propagation is due to ” a Reforction of wave b Reflection of wave c Pierus through Inosphere d None Answer is: Lens antennas used for microwaves are usually made of – a Polystyrene b Glass of low refractive index c Paraboloid surfaces d Dielectric media having large refractive index An, In a forward voltage Triggering thyristor changes from ” a off state to on state b on state to off state c on state to on state d off state to off state Answer is: Poles and zeros of a driving point function of a network are simple and interlace on the jw axis.

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In a short electric doublet the radiation properties are so that- a The induction field diminishes as the square root of the distance and is only appreciable in the vicinity of the conductor. The depth of penetration or skin depth for an electromagnetic field of frequency ‘f’ in a conductor qustion resistivity r and permeability m is- a inversely proportional to r and f and directly proportional to m b directly proportional to r and inversely proportional to f and m c directly proportional to f and inversely proportional to r and m d inversely proportional to r and m and directly proportional to f Answer is: P channel FETs are less superior than N channel FETs because a They have higher input impedance b They have high switching time c They consume less power d Mobility questkon electrons is greater than that of holes Answer is: Number of nybbles making one byte is ” qquestion 2 b 4 c 8 d 16 Answer is: Basic memory cell of dynamic RAM consists of ” a a flip flop b a transistor acting as a capacitor c a transistor d a pspers Answer is: These circuits converts input power at one frequency to output power at a different frequency through one stage conversion ” a AC voltage controllers b Cyclo converters c Phase controlled rectifiers d Inverters Answer is: What is the opposite prfvious Asperity ” a gentility b superiority c kindness d clarity Answer is: The resolution of a logic analyser is – a the maximum number of input channels b the minimum duration of the glitch it can capture c it’s internal clock period d the minimum amplitude of input signal it can display Answer bsnll For qestion two port reciprocal network, the output open circuit voltage divided by the input current is equal to ” a B b Z12 c ” d h12 Answer is: An amplifier has a band width of 20 KHz and a midband gain of 50 without feedback.


Equalizing pulses in TV are sent during- a horizontal blanking b vertical blanking c the serrations d the horizontal retrace Answer is: The statement ‘In any network of linear impedances, the current flowing at any point is equal to the algebraic sum of the currents caused to flow at that point by each of the sources of emf taken separately with all other emf’s reduced to zero’ represents – a Kirchhoff’s law b Norton’s theorem c Thevenin’s theorem d Superposition theorem Answer is: The energy gap in a semiconductor – a increases with temperature b remains constant c slightly increase with temperature d decrease with temperature Answer is: How much electricity does India propose to generate through nuclear power by the year AD?

Radio Broadcasting is an example of ” a space multiplexing b time multiplexing c frequency multiplexing d none of the above Answer is: You can easily solve all kind of questions by practicing the following exercises.

A superconductor is a- a A material showing perfect conductivity and Meissner effect below a critical temperature b A conductor having zero resistance c A perfect conductor with highest dimagnetic susceptibility d A perfect conductor which becomes resistive when the current density through it exceeds a critical valueAnswer is: What is a collection of sheep called? Pirani gauge is used to measure ” a very low pressures b high pressures c pressures in the region of 1 atm d fluid flow Answer is: In which year did the fall of Bastille take place?

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Learn and practice the placement papers of BSNL and find out how much you score before you appear for your next interview and previoys test. An air capacitor is a ” a time variant b active device c time invariant d time invariant and passive device Answer is: When an ac current of 5A and dc current of 5A flow simultaneously through a circuit then which of the following statement is true?

The transmission does not have – a Partition noise b Flicker noise c resistance d Short noise Answer is: Ninth Plan in India ranges from- a b c d Answer is: Current Affairs Interview Questions and Answers.

Microbiology Biochemistry Biotechnology Biochemical Engineering. The location of lightning arrestor is – a Near the transformer b Near the circuit breaker c Away from the transformer d None Answer is: For transmission line load matching over a range of frequencies, it is best to use a- a balun b broad band directional coupler c double stub d prevvious stub of adjustable bsl Answer is: A four quadrant operation requires- a two full converters in series b two full converters connected back to back c two full converters connected in parallel d two semi converters connected back to back Answer is: The son seems to have “”” from his father a somewhat gloomy and moody manner- a washed b inherited c admired witj attempt Answer is: