1
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0
A TV transmission antenna is 40 m tall. How much service area is can cover, if the receiving antenna is at the ground level?
(radius of the earth $=6400 \mathrm{~km}$ )
2
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0
A message signal of frequency $50 / \pi \mathrm{kHz}$ and peak voltage of 5 V is used to modulate a carrier of frequency 1 MHz and peak voltage 20 V . The modulation index is
3
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0
The function of a detector is to demodulate the modulated carrier wave and the steps for this process are
4
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0
The electromagnetic waves of frequency 6 GHz are used in
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