Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is zero The radiation is zero in all directions The radiation at right angles is maximum The radiation is maximum in all directions The radiation at right angles is zero The radiation is zero in all directions The radiation at right angles is maximum The radiation is maximum in all directions ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation 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 6E 4E 3E 2E 6E 4E 3E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 300 ohm 1000 ohm 500 ohm 100 ohm 300 ohm 1000 ohm 500 ohm 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Filter method Phase cancellation method All of these Good attenuation characteristics Filter method Phase cancellation method All of these Good attenuation characteristics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 106 kHz 10.7 MHz 1.07 MHz 455 kHz 106 kHz 10.7 MHz 1.07 MHz 455 kHz ANSWER DOWNLOAD EXAMIANS APP