5 JEE Main 2018 Communication System previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 previous-year questions from the Communication System chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Communication System chapter hub.
A carrier wave of peak voltage 14   V is used for transmitting a message signal. The peak voltage of the modulatin…
The number of amplitude modulated broadcast stations that can be accommodated in a 300 kHz band width for the highest m…
A telephonic communication service is working at a carrier frequency of 10   GHz . Only 10 % of it is utilized for…
The number of amplitude-modulated broadcast stations that can be accommodated in a 300   kHz bandwidth for the hig…
The carrier frequency of a transmitter is provided by a tank circuit of a coil of inductance 49 µ H and a capactiance o…