The maximum amplitude of an $AM$ wave is $90 V$ and the minimum amplitude is $10 V$. What is the original amplitude of the carrier wave in the given $AM$ wave in $V$?
- A$40$
- B$50$
- C$90$
- D$100$
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$A$ $25\, m$ long antenna is mounted on an antenna tower. The height of the antenna tower is $75\, m$. The wavelength (in meter) of the signal transmitted by this antenna would be
Given below in the left column are different modes of communication using the kinds of waves given in the right column.
$A$. Optical Fiber Communication $P$. Ultrasound $B$. Radar $Q$. Infrared Light $C$. Sonar $R$. Microwaves $D$. Mobile Phones $S$. Radio Waves
From the options given below, find the most appropriate match between entries in the left and the right column.
| $A$. Optical Fiber Communication | $P$. Ultrasound |
| $B$. Radar | $Q$. Infrared Light |
| $C$. Sonar | $R$. Microwaves |
| $D$. Mobile Phones | $S$. Radio Waves |
From the options given below, find the most appropriate match between entries in the left and the right column.
Which of the following is true for communication via optical fiber?
Easy
View Solution$A$ basic communication system consists of:
$(a)$ Transmitter
$(b)$ Information source
$(c)$ User of information
$(d)$ Channel
$(e)$ Receiver
The correct sequence of the arrangement is:
$(a)$ Transmitter
$(b)$ Information source
$(c)$ User of information
$(d)$ Channel
$(e)$ Receiver
The correct sequence of the arrangement is:
MediumKCET 2017
View SolutionAn antenna is a device:
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