In optical communication frequency division

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10) In optical communication frequency division multiplexing (FDM ) is called? a)Polarization-division multiplexing (PDM)b)Space-division multiplexing (SDM)c)Single-sideband modulation (SSB)d)Wavelength division multiplexing (WDM) 11) In the receiver of a wireless system we must amplify the received signal using 12) Of the following wngineering disciplines, who would be BEST suited to design and operate an automobile factory 13) If the souce voltge in the circuit shown is v = 100sin 377t, the peak reverse voltage applied to the diodewould
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14) A room with a floor area of 50ft × 30ft and a ceiling height of 10 ft has luinaires suspended 2 ft from the ceiling. Assuming a working plane of 30 in and a reqired illumination levelof 50 fc, the net luminous flux (lumens) using fixtures with a coefficient of utilization of 0.78 is most nearly 15) Increasing the current withdrawn from a battery has what effect on the battery capacity and why? a)Increased capacity which is cased by less internal hear lossb)Increased capacity which is caused by lower internal resistancec)Decreased capacity which is caused by higher load voltage dropd)Decreased capacity which is caused by increased polarization
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