Go Back   2023 2024 Courses.Ind.In > Main Category > Main Forum

  #1  
Old June 27th, 2016, 04:48 PM
Senior Member
 
Join Date: Feb 2014
Default Download BSNL JTO Previous Question Papers

Discuss about download bsnl jto previous question papers here. Welcome to Courses.ind.in and this page is for download bsnl jto previous question papers discussion. If you are looking for information on download bsnl jto previous question papers then ask your question is as much details as possible in the “Reply” box provided below. The more detailed your question will be, the more easy will it be for our experts to answers your query. And if you have any updated or latest information on download bsnl jto previous question papers, then please share you knowledge with our experts in the “Reply” box below. Your reply will be published here and your knowledge can help many people. Thanks for stopping by at Courses.ind.in. Please visit again.
Reply With Quote Quick reply to this message
  #2  
Old April 19th, 2018, 04:23 PM
Unregistered
Guest
 
Default Re: download bsnl jto previous question papers

Hi buddy here I have come to obtain BSNL JTO Previous Question Papers to do preparation of this exam preparation so will you plz let me know from where I can do download it ??
Reply With Quote Quick reply to this message
  #3  
Old April 19th, 2018, 04:25 PM
Super Moderator
 
Join Date: Aug 2012
Default Re: download bsnl jto previous question papers

As you are looking for BSNL JTO Previous Question Papers so on your demand I am providing same :

BSNL JTO Previous Question Papers
If the voltage applied across a capacitance is triangular in waveform then the waveform
of the current is-
a) Triangular
b) Trapezoidal
c) Sinusoidal
d) Rectangular
Answer is :- Rectangular


1. One of the following statement which is true for relative dielectric constant is -
a) It is dimensionless
b) It is not equal to unity for vacuum
c) It's value for all substances is less than one
d) None
Answer is :- It is dimensionless


2. Pure metals generally have-
a) high conductivity and low temperature coefficient
b) high conductivity and large temperature coefficient
c) low conductivity and zero temperature coefficient
d) low conductivity and high temperature coefficient
Answer is :- high conductivity and large temperature coefficient


3. For small size, high frequency coils, the most common core material is
a) Air
b) Ferrite
c) Powdered ion
d) Steel
Answer is :- Air


4. For an abrupt junction Varactor diode, the dependence of device capacitance (C) on
applied reverse bias (V) is given by-
a) C a V1/3
b) C a V-1/3
c) C a V1/2
d) C a V-1/2
Answer is :- C a V-1/3


5. 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 :-A material showing perfect conductivity and Meissner effect below a critical
temperature


6. When a semiconductor based temperature transducer has a temperature coefficient of "
2500 mV/0C then this transducer is indeed a-
a) Thermistor
b) Forward biased pn junction diode
c) Reverse biased pn junction diode
d) FET
Answer is :- Forward biased pn junction diode


7. The location of lightning arrestor is -
a) Near the transformer
b) Near the circuit breaker
c) Away from the transformer
d) None
Answer is :- Near the transformer


8. 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 :- Increased


9. 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 :- Are made of the semiconductor material in its purest from


10. 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 :- Gate reverse bias


11. The electrical conductivity of metals which is expressed in ohm-1 m-1 is of the order
of -
a) 1010
b) 105
c) 10-4
d) 10-6
Answer is :- 105


12. 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 :- has a constant voltage across it


13. The current amplification factor adc is given by "
a) IC/IE
b) IC/IB
c) IB/IC
d) IB/IC
Answer is :- IC/IE


14. Compared to bipolars, FETs have-
a) high input impedance
b) low input impedance
c) same input impedance
d) none
Answer is :- high input impedance


15. The source-drain channel of JFET is -
a) ohmic
b) bilateral
c) unilateral
d) both a and b
Answer is :- both a and b


16. diac is equivalent to a -
a) Pair of SCRs
b) Pair of four layer SCRs
c) Diode and two resistors
d) Triac width
Answer is :- Pair of four layer SCRs


17. When a sample of N type semiconductor has electron density of 6.25 ´ 1011 /cm3 at 300K and if the intrinsic concentration of carriers in this sample is 2.5 ´ 1013/cm3 then the hole density will be "
a) 106/cm3
b) 103/ cm3
c) 1010/ cm3
d) 1012/ cm3
Answer is :- 103/ cm3


18. 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 :- Superposition theorem


19. 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 :- TE01 mode


20. A two-port network is symmetrical if "
a) z11z22 " z12z21 = 1
b) h11h22 " h12h21 = 1
c) AD " BC = 1
d) y11y22 " y12y21 = 1
Answer is :-AD " BC = 1


21. 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) single stub of adjustable position
Answer is :- double stub


22. The poles and zeros of a driving point function of a network are simple and interlace on the negative real axis with a pole closest to the origin. It can be realised -
a) by an LC network
b) as an RC driving point impedance
c) as an RC driving point admittance
d) only by an RLC network
Answer is:- only by an RLC network


23. Poles and zeros of a driving point function of a network are simple and interlace on the jw axis. The network consists of elements "
a) R and C
b) L and C
c) R and L
d) R, L and C
Answer is :- L and C

24. For a 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 :- Z12


25. 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.
b) In the radiation, magnetic field is minimum when the current is maximum.
c) The radiation resistance of a short doublet antenna is extremely high.
d) Mean rate of power through a unit area of spherical sphere surrounding this doublet is
proportional to the square of the elemental length, other factors remaining constant.
Answer is :-Mean rate of power through a unit area of spherical sphere surrounding this doublet is proportional to the square of the elemental length, other factors remaining constant.


26. The frequency modulated (FM) radio frequency range is nearly -
a) 250 "300 MHz
b) 150 " 200 MHz
c) 90 " 105 MHz
d) 30-70 MHz
Answer is :-90 " 105 MHz


27. 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 :- Inductive loading


28. The characteristic impedance of a transmission line with inductance 0.294 mH /m and capacitance 60 pF/m is -
a) 49 W
b) 60 W
c) 70 W
d) 140 W
Answer is :- 70 W


30. For a quarter wavelength ideal transmission line of characteristic impedance 50 ohms and load impedance 100 ohms, the input impedance will be "
a) 25W
b) 50Wc) 100W
d) 150W
Answer is :- 25W


31. The depth of penetration or skin depth for an electromagnetic field of frequency 'f' in
a conductor of 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 :- directly proportional to r and inversely proportional to f and m


32. 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) 0.4456 0
b) 1.44560
c) 2.44560
d) 3.44560
Answer is :- 2.44560


33. 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,


34. One of the following types of instrument which is an electrometer is -
a) Electrodynamometer
b) PMMC
c) Electrostatic
d) Moving iron
Answer is :- Electrostatic


35. When an ac current of 5A and dc current of 5A flow simultaneously through a circuit
then which of the following statement is true ?
a) An ac ammeter will read less than 10A but more than 5A
b) An ac ammeter will read only 5A
c) A dc ammeter will read 10A
d) A dc ammeter will read zero
Answer is :- An ac ammeter will read less than 10A but more than 5A


36. When Q factor of a circuit is high, then -
a) power factor of the circuit is high
b) impedance of the circuit is high
c) bandwidth is larged) none of these
Answer is :- none of these


37. 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 :- the minimum amplitude of input signal it can display


38. A memoryless system is "
a) causal
b) not causal
c) nothing can be said
d) none
Answer is :- causal


39. An air capacitor is a "
a) time variant
b) active device
c) time invariant
d) time invariant and passive device
Answer is :-time invariant and passive device


40. Thermistors are made of -
a) pure metals
b) pure insulators
c) sintered mixtures of metallic oxides
d) pure semiconductor
Answer is :- sintered mixtures of metallic oxides
Attached Files
File Type: doc bsnl jto previous question papers.doc (61.5 KB, 0 views)
Reply With Quote Quick reply to this message
Reply
Similar Threads
Thread
AIPMT Previous Year Question Papers Free Download
VITEEE Previous Year Question Papers Download
JNTU Kakinada previous question papers 1st year download
Free download SBI PO Previous Question papers
UPSC Drug Inspector Previous Question Papers Free Download
IGNOU Download Previous Question Papers
bsnl jto question papers download
All India Medical Entrance Previous Question Papers Free Download
SRM University Previous Year Question Papers Download
Jipmer Previous Year Question Papers Free Download
Download Food Corporation Of India Previous Question Papers
CA CPT Previous Year Question Papers Download
APTET Previous Question Papers Free Download
Orissa JEE Previous Year Question Papers download
Food Corporation Of India Previous Question Papers free download
ISAT Previous Year Question Papers Download
IIST Previous Question Papers Download
LIC ADO Previous Year Question Papers Download
SSC Combined Graduate Level Previous Year Question Papers Free Download
staff selection commission previous question papers free download


Quick Reply
Your Username: Click here to log in

Message:
Options



All times are GMT +5.5. The time now is 05:10 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Search Engine Friendly URLs by vBSEO 3.6.1
vBulletin Optimisation provided by vB Optimise (Lite) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.