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BSNL JTO Previous Year Question Paper with Answer
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: The 2’s complement of is ” a b c d 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: Then, the real part and wo are given by- a “5, 1 b “2.
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 is: The characteristic impedance of a transmission line with inductance 0. The time duration for solving the questions will be 3 hours. 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.
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: Time yourself in advance and decide which question to attempt first and which to leave. In the equatorial plane only Geosynchronous satellite are launched because it is the only plane which provides ” a 24 hour orbit b stationary satellite c global communication d zero-gravity environs Answer is: So, the competition for the post is also tough.
The transmission does not have – a Partition noise b Flicker noise c resistance d Short noise 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, 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 Answer is: 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: 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: 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: Join these sentences meaningfully by choosing the correct alternative from the following: In an electronic circuit matching means – a connecting a high impedance directly to low impedance b selection of components which are compatible c transferring maximum amount of signal between different kinds of circuits.
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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. Poles and zeros of a driving point function of a network are simple and interlace on the jw axis.
BSNL Previous Year Question Paper with solution Download
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 questin be banned Answer is: 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.
The resolution of a logic analyser is – a the maximum number of input channels b the minimum duration of the glitch bsnll can capture c it’s internal clock period d the minimum amplitude of input signal it can display Answer is: The circuit that separates composite video warefore from the sync pulses is- a the keyed AGC amplifar b bwnl clipper c an integrator d a sawtooth current Answer is: How may countries are non-permanent members of the Security Council?
You can read it. To form a quorum how many members of the Lok Sabha or Rajya Sabha should be present? Here you will be able to find last 10 year sometimes even more or less question paper for absolutely free of cost.
When an ac current of 5A and dc current of 5A flow simultaneously through a circuit then which of the following statement is true? Go through each and other incorrect answer so as to not repeat the same mistakes in the exam.
BSNL Question Papers – BSNL Interview Questions and Answers updated on Dec
An amplifier with negative feedback – a lowers its lower 3 dB frequency b raises its upper 3 dB frequency c increases its bandwidth d all of the above Answer is: Please enter your name here You have entered an incorrect email address! Compared to bipolars, FETs have- a high input impedance b low input impedance c same input impedance d none Answer is: An amplifier has a band width of 20 KHz and a midband gain of 50 without feedback.
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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: A system consists of 12 poles and 2 zeroes. The most common modulation system used for telegraphy is- a frequency shift keying b two ” tone modulation c pulse code modulation d single tone modulation 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: You can buy a book.
Next chose which one you need and click. Then, the real part and wo are given by?