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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).
Discuss important properties and uses of Ceramics. Ceramics - These are materials made by high temperature firing treatment of natural clay and specific inorganic matters. The
Solid-State Control of Synchronous Motors The speed of a synchronous motor can be controlled by changing its supply frequency. With variable-frequency control, two modes of op
Q. Explain working of Ring Topology? Ring Topology: In ring topology, all user nodes are connected with physical path acting as links of a chain and last user node is co
What is the difference among 8085 and 8086 in microprocessor? Ans) 8086 has a special concept known as memory segmentation. It permits parallel processing, whereas 8085 does no
Revenue Protection and Technology Interventions in Metering The power supply industry has reached an impasse where urgent steps are needed to improve the financial health of t
how to connect some DG together?
The upper end of a hanging chain is fixed whereas the lower end is attached to a mass M. The (massless) links of the chain are ellipses with major axes and minor axes l+a and l-
Explain the purpose of the global descriptor table register. The GDTR stand for global descriptor table register and IDTR stand for interrupt descriptor table register conta
Look at figure below and use. Water (50°F) flows at 250 gpm through the pipe system at the bottom of this page. All piping is four inch (4") diameter cast iron. The distance betwe
Transmission Through a LiNb0 3 Plate Examine the transmission of an unpolarized He-Ne laser beam (?o= 633 nm) normally incident on a LiNb0 3 plate (ne = 2.29, no = 2.20) of thickn
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