Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
In a TV receiver antenna the length of reflector rod
is more than that of dipole
is more than that of dipole
See lessFor AM receivers the standard IF frequency is
455 khz
455 khz
See lessFor a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
4e
4e
See lessIn TV systems, equalising pulses are sent during
horizontal blanking
horizontal blanking
See lessA 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
15
15
See lessThe main function of a balanced modulator is to
produce 100% modulation
produce 100% modulation
See lessIn practical commercial FM system, channel bandwidth is
150 khz
150 khz
See lessIn EM waves, polarization
is due to transverse nature of waves
is due to transverse nature of waves
See lessThe maximum power output of a standard A earth station over the total band allocated to satellite communication is about
0.5 kw
0.5 kw
See lessThe characteristic impedance of a twin wire feeder used for TV signals is about
300 ohm
300 ohm
See less