Communication Systems Which of the following does not cause losses in optical fibre cables? Impurities Attenuation in glass Microbending Stepped index operation Impurities Attenuation in glass Microbending Stepped index operation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 80.9 70.2 102.3 113 80.9 70.2 102.3 113 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Inductance Resistance Shunt capacitance Series capacitance Inductance Resistance Shunt capacitance Series capacitance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 2E 4E 6E 3E 2E 4E 6E 3E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 10 995 5 4.9 10 995 5 4.9 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 8 16 15 1 8 16 15 1 ANSWER DOWNLOAD EXAMIANS APP
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