1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The physical sizes of the transmitter and
receiver antenna in a communication system
are :-
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
A signal Acoswt is transmitted using v0 sin $$\omega $$0t
as carrier wave. The correct amplitude
modulated (AM) signal is
3
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
In a line of sight radio communication, a
distance of about 50 km is kept between the
transmitting and receiving antennas. If the
height of the receiving antenna is 70m, then the
minimum height of the transmitting antenna
should be :
(Radius of the Earth = 6.4 × 106 m).
(Radius of the Earth = 6.4 × 106 m).
4
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The wavelength of the carrier waves in a
modern optical fiber communication network
is close to :
Questions Asked from Communication Systems (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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