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BSNL Question Papers – BSNL Interview Questions and Answers updated on Dec

Learn and practice the placement papers of BSNL and find out how much you score before you appear for your next interview and written test. The output of a class B amplifier – a is distortion free b consists of positive half answsrs only c is like the output of a full wave rectifier d comprises short duration current pulses Answer is: Shifting cultivation is commonly used in which of the following states?

Download PDF December 2, Radio Broadcasting is an example of ” a space multiplexing b time multiplexing c frequency multiplexing d none of the above Answer is: This will be of a huge advantage in the actual exam.

Questiom 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 questin saturation region at lower voltages 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: We have uploaded previous jfo model question paper set and answer key for you.


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: Time constant of an RC circuit increases if the value of the resistance papesr – a Increased b Decreased c Neither a nor b d Both a and b Answer is: Lastly, they will let you know the quuestion of questions that can be expected in Exam this year.

When an ac current of 5A and dc current of 5A flow simultaneously through a circuit then which of the following statement is true?

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: Please enter your email address here Save my name, email, and website in this browser for the next time I comment. For a quarter wavelength ideal transmission line of characteristic impedance 50 ohms and load impedance ohms, the input impedance will be ” a 25W b 50Wc W d W Answer is: 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: Go get yourself a Government Job by getting these Previous year Papers.

What changes would be necessary in block C if FM signals are to be received – a Block becomes redundant anwwers A FM detector would be required c A high frequency signal generator 1d An additional local oscillator will be needed Answer is: According to Barkhausen Criterion Phase shift of signal should be ” a b c questioon Answer is: The 2’s complement of is ” a b c d Answer is: The time duration for solving the questions will be 3 hours.

To form a quorum how many members of the Lok Sabha or Rajya Sabha should be present?


Compared to bipolars, FETs have- a high input impedance b low input impedance c same input impedance d none Answer is: The statement ‘In any network of linear impedances, the current flowing at any point is equal to the algebraic sum of the amswers 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: 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: The characteristic impedance of a transmission line with inductance 0.

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 snswers In order to get good score in the written exam candidates have to prepare well for the exam. Ninth Plan in India ranges from- a b c d Answer is: High loop gain 2.

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. Go through each and other incorrect answer so as to not repeat the same mistakes in the exam.

Then, the real part and wo are given by- a “5, 1 b “2.