BSNL JTO PREVIOUS YEAR QUESTION PAPERS WITH ANSWERS PDF

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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BSNL JTO Previous year solved question papers

Intrinsic semiconductors are those which – a Are available locally b Are made of the semiconductor material in its purest from c Have more electrons than holes d Have zero energy gaps Answer is: When an antenna has a gain of 44dB then assuming that the main beam of the antenna is circular in cross-section the beam width will be – a 0.

When a sample of N type semiconductor has electron density of 6.

Basic memory cell of dynamic RAM consists of ” a a flip flop b a transistor acting as a capacitor c a transistor d a capacitance Answer is: Current Affairs Interview Questions and Answers. When biased correctly, a zener diode ” a acts as a fixed resistance b has a constant voltage across it c has a constant current passing through it d never overheats Answer is: Master slave flip-flop is made up of ” a two flip flops connected in series b two flip flops connected in parallel c a debouncer circuit d a-D- latch Answer is: Then, the real part and wo are given by- a “5, 1 b “2.

An air capacitor is a ” a time variant b active device c time invariant d time invariant and passive device Answer is: 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: Article of Indian Constitution needs to be revoked in case- a President’s Rule is to be imposed b Emergency is declared c Services of a Government servant are to be terminated without any enquiry d A political party of national level is to be banned 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, Radio Broadcasting is an example of ” a space multiplexing b time multiplexing c frequency multiplexing d none of the above Answer is: Considering the conditions- 1.

In an underground cable the distortion in the transmission of carrier frequency can be eliminated by using – a Inductive loading b Resistive loading c Capacitive loading d Shielding Answer is: Essayist works with words as sculptor with- a water b stone c air d hills Answer is: For small size, high frequency coils, the most common core material is a Air b Ferrite c Powdered ion d Steel Answer is: An amplifier has a band width of 20 KHz and a midband gain of 50 without feedback.

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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: To form a quorum how many members of the Lok Sabha or Rajya Sabha should be present? One of the following modes which has the characteristics of attenuation becoming less as the frequency is increased and is attractive at icrowave frequencies of circular cylindrical wave guides is ” a TE1 mode b TM01 mode c TE01 mode d Higher order mode Answer is: How much electricity does India propose to generate through nuclear power by the year AD?

Number of nybbles making one byte is ” a 2 b 4 c 8 d 16 Answer is: In an enhancement type MOSFET the output V-I characteristics has ” a only an ohmic region b only a saturation region c only ohmic region at 10 W voltage value followed by a saturation region at higher voltages d an ohmic region at large voltage values preceded by a saturation region at lower voltages 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: The intrinsic impedance of free space- a is independent of frequency b decreases with increase of frequency c increases with increase of frequency d varies as square root of frequency Answer is: What is a collection of sheep called?

The most common modulation system used for telegraphy is- a frequency shift keying mto two ” tone modulation c pulse code modulation d single tone modulation Answer is: In the equatorial plane only Geosynchronous satellite are launched because it is the only plane which provides ” bnsl 24 hour orbit b stationary satellite c global communication d zero-gravity environs Answer is: You can buy a book.

The electrical conductivity of metals which is expressed in ohm-1 m-1 is of the order of – a b c d Answer is: The International Date Line is represented by- a meridian b meridian c meridian d meridian 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 of electrons is greater than that of holes Prwvious is: Time constant of an RC circuit increases if the value of the resistance is – amswers 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: A memoryless system is ” a causal annswers not causal c nothing can be said d none Answer is: Then, the real part and wo are given by?

BSNL JTO Previous Year Question Paper with Answer

The characteristic impedance of a transmission line with inductance 0. 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: The transmission does not have – a Partition noise b Flicker noise c resistance d Short noise Answer is: Shifting cultivation is commonly used in which of the following states?

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You can determine quickly the effect of adding poles and zeros by ” a Nicholas chart b Nyquist plot c Bode plot d Root locus. What is the opposite of Asperity ” a gentility b superiority c kindness d clarity Answer is: In which year did the fall of Bastille take place?

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: The output of a class B amplifier – a is distortion free b consists of positive half cycles only c is like the output of a full wave rectifier d comprises short duration current pulses Answer wuestion 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 is: Equalizing pulses in TV are sent during- a horizontal blanking b vertical blanking c the serrations d the horizontal retrace Answer is: The son seems to have “”” from his father a somewhat gloomy and moody manner- a washed b inherited c admired d attempt Answer answerss Which country in July ’99 officially announced mastering of indigenously developed neutron bomb technology?

The main disadvantage of Diode-Transistor logic DTL is its- a greater speed b slower speed c average speed d none of the above Answer is: According to Barkhausen Criterion Phase shift of signal should be ” a b c d Answer is: Microbiology Biochemistry Biotechnology Biochemical Engineering.

Join these sentences meaningfully by choosing the correct alternative from the following: In colour picture tube shadow mask is used to- a reduce x-ray emission b ensure that each beam strikes only its own dotsc increase screen brightness d provide degaussing for the screen Answer is: Greater damping 4 Negative dB gain margin System stability requirements would include?

A thyristor, when triggered, will change from forward blocking state to conduction state if its anode to cathode voltage is equal to – a peak repetitive off state forward voltage b peak working off state forward voltage c peak working off state reverse voltage d peak non-repetitive off state forward voltage Answer is: