Television signals on earth cannot be received at distances greater than $100\, km$ from the transmission station. The reason behind this is that
- AThe receiver antenna is unable to detect the signal at a distance greater than $100\, km$
- BThe $TV$ programme consists of both audio and video signals
- CThe $TV$ signals are less powerful than radio signals
- DThe surface of earth is curved like a sphere
Explore More
Similar Questions
The total power content of an $AM$ wave is $900 \, W$. For $100\%$ modulation,the power transmitted by each sideband is......$W$
Medium
View SolutionAn amplitude modulated signal consists of a message signal of frequency $1 \text{ kHz}$ and peak voltage of $5 \text{ V}$,modulating a carrier frequency of $1 \text{ MHz}$ and peak voltage of $15 \text{ V}$. The correct description of this signal is
DifficultTS EAMCET 2017
View SolutionConsider telecommunication using optical fibers. Which of the following statements is $NOT$ true?
Easy
View SolutionIf modulation index $\mu = \frac{1}{2}$ and $V_{m} = 2$,then $V_{c} = \, ?$
MediumAIIMS 2019
View SolutionWhich of the following is not a natural source of electrical noise?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo