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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).
Find the resonant frequency: Find the resonant frequency ω0 (or f0) for the given series RLC circuit v = Vm sin ωt = 50 sin ωt Figure Also determine the expre
Management of Initiatives and Focus - KPI In this era of fierce competition and to have the competitive edge, it is significant to conserve the material and human resources th
Q. A transformer is rated 10 kVA, 220:110 V (rms). Consider it an ideal transformer. (a) Compute the turns ratio and the winding current ratings. (b) If a 2-load resistance
Q. The 50-turn coil in the configuration of Figure is rotated at a constant speed of 300 r/min. The axis of rotation is perpendicular to a uniform magnetic flux density of 0.1 T. T
Q. Compare in-channel signalling with common channel signalling? Network wide signalling also involves end to end signalling between originating exchange and the terminating ex
Q. For the coupled inductors shown in Figure, neglecting the coil resistances, write the volt-ampere relations.
(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
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Q. What is Stored Program Control ? Stored Program Control:Modern digital computers use stored programmed concept. Here, a program or a set of instructions to the computer is s
Ask question #Minimum mechanism of microwave communication 100 words accepted#
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