Prepare for ISRO ICRB examinations with verified solutions covering Algorithms, Theory of Computation, Compiler Design, Computer Architecture, OS, Discrete Mathematics, and Computer Networks.
Marking scheme: +3.00 positive, -0.75 negative (ICRB Standard).
If the waveguide cross-section of a square waveguide with TE11 propagation mode is gradually deformed into a circle, then the corresponding circular waveguide mode will be:
What could be the output current rating of following shunt regulator?
An FM-CW (Frequency Modulated - Continuous Wave) Radar is essentially
The flux in a magnetic core is sinusoidally varying at 200 Hz. The maximum flux density is 2 Tesla and eddy current loss is 15 W. If the frequency is raised to 400 Hz and maximum flux density reduced to 1 Tesla, the eddy current loss will
The electric field intensity E and magnetic field intensity H are coupled and propagating in free space in x and y direction respectively, the Poynting vector is given by
If x and y are two random signals with zero mean Gaussian distribution having identical standard deviation, the phase angle between them is
The current flowing through a capacitor in an AC circuit is:
Which of the following is the Boolean function for Majority Voting, assuming A,B,C are inputs and Y is output?
For broadside antenna array, the largest possible spacing between the antenna elements without any grating lobes is
For the 8085 assembly language program given below, the content of the accumulator after the execution of the program is
3000 MVI A, 45H
3002 MOV B, A
3003 STC
3004 CMC
3005 RAR
3006 XRA B
Conduction angle of a Class AB amplifier is:
For non dispersive medium
Schottky clamping is resorted in TTL gates
At cut-off frequency, the phase velocity of a waveguide is
Zener diode, when used in voltage stabilization circuits, is biased in
The closed loop frequency response of a dc-dc converter is shown in following figure. What are the gain and phase margins?
If for a silicon npn transistor, the base-to-emitter voltage (VBE) is 0.7V and the collector-to-base voltage (VCB) is 0.2 V, then the transistor is operating in the
3 port Circulator is
An 8 bit ripple counter and an 8 bit synchronous counter are made using flip flops having a propagation delay of 10 ns each. If the worst case delay in the ripple counter and the synchronous counter be R and S respectively, then
Gain of an RC low pass filter having a time constant 'τ' and frequency 'ω' is:
For a directional coupler, the quantities I (isolation in dB), D (directivity in dB), C (coupling in dB) are related by
The two numbers represented in signed 2's complement form are $P = 11101101$ and $Q = 11100110$. If Q is subtracted from P, the value obtained in signed 2's complement is
Depletion type MOSFET operates in:
Electric Field and Magnetic Field are perpendicular to each other in :
A linear regulator is attempted using discrete components as shown below. What is the output voltage?