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Q. Explain Wireless electromagnetic channels?
Wireless electromagnetic channels are used in wireless communication systems, in which the electromagnetic energy is coupled to the propagation medium through an antenna that serves as a radiator. The physical size and configuration of the antenna depend mainly on the frequency of operation. For example, a radio station transmitting AM frequency band of 1 MHz (with a corresponding wavelength of λ = c/fc = 300 m) requires an antenna of at least 30 m (approximately one-tenth of the wavelength).
Bronze is an alloy of (A) Copper. (B) Aluminium. (C) Silver. (D) Carbon. Ans: Bronze is an alloy of copper.
Q. What do you know about Input Impedance? Input Impedance : Amplifiers will be quoted as having a specific input impedance. The sort of load it will place on preceding equipm
Design a DC motor control system to run the 48V DC motor at 40rpm up to max load of the motor. You are responsible for designing the control of a 24V supply along with the speed s
Programming languages As we have seen the evolution of computer hardware similarly programming languages also have their history of development from machine language
(1) An argon ion laser, emitting light at a wavelength of 488nm with a beam divergence of 150 firad, is used to illuminate the moon. (i) Assuming the earth-to-moon distance is 3
1. Introduction The objective of this assignment is to design and evaluate a stabilised discrete linear power supply. The power supply requires to be designed according to t
Discuss the role of a bus arbiter in a multiprocessor configuration. Bus arbiter: It functions to resolve priority among bus masters and permits only one device at a time to
Consider the open rotation of a diatomic molecule consisting of two atoms of mass and respectively divided by a distance presume that the molecule is rigid with center of mass fixe
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Q. What are the Constructional Features of DC Machines? Adc generator ormotormay have asmany as four fieldwindings, depending on the type and size of the machine and the kind o
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