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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).
Cointruct and simulate using multisim software a series voltage regulator to supply 1A to a load at a constant voltage of 9V. The supply voltage to regulator is 15V±10%. The minimu
Define the term Causality LTI System Any practical LTI system operating in real time must be "causal" which means that its impulse response {h[n]} must satisfy h[n] = 0 for n
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Q. What are the different types of dc generation according to the ways in which fields are excited. Show the connection diagram of each type. Ans. Types of D.C.
Q. Consider a 240-V supply feeding a resistive load of 10 kW through wires having a total resistance of R = 0.02 . For the same load, let a 120-V supply be used with a total wire
There is often a need to produce more than one voltage from a single supply using a voltage divider. For example, the memory components of many personal computers require voltages
principle and operation of 3phace induction motor
SBB Instruction This instruction is used to subtract the contents of register or memory location with carry flag from accumulation. The results of operations is stored
In continuation of Part-B, the student is required to configure an engine management system for the proposed engine and produce a report including the following: A preamble
ELECTRICAL STARTER MOTOR This usually consists of a heavy duty, compound wound, DC motor, which draws its electrical supply from an external source. The motor works in conjunc
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