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Maya
Subject: Physics
, asked on 26/2/18
Please answer q no. 10
Q.10. Study the annexure: LAN, WAN, MAN, Internet, e-mail, e- commerce, satellite education, GPS (alternates by India & China), Mobile telephony, 3G, 4G, ISBN, Bar code, MODEM, On line - Off line, Fax, Mangal - Yan etc.
Answer
1
Aashti Shauriq
Subject: Physics
, asked on 26/2/18
An amplitude modulator consist of L-C circuit having a coil of inductance 8mH and capacitance of If an audio signal of frequency 10khz is modulated by the carrier wave generated by the L-C circuit, find the frequency of upper and lower side bands. please answer fast.
Answer
1
Sandra Saju
Subject: Physics
, asked on 25/2/18
Describe briefly bandwidth importance in communicating signals
Answer
1
Vinuthna Terala
Subject: Physics
, asked on 25/2/18
Ans
Q. A TV tower has a height of 80 m at a given place. Calculate the coverage range if the radius of earth is 6400 km.
Answer
1
Kurian J
Subject: Physics
, asked on 25/2/18
Q). Is this table important ???
Table 15. Different layers of atmosphere and their interaction with the propagating electromagnetic waves.
Answer
1
Kurian J
Subject: Physics
, asked on 25/2/18
Please explain me the last sentence ??
transmitted one. If the bandwidth is large enough to accommodate a few harmonics, the information is not lost and the rectangular signal is more or less recovered. This is so because the higher the harmonic, less is its contribution to the wave form.
Answer
1
Vaibhav Gupta
Subject: Physics
, asked on 25/2/18
Why is there a frequency difference in cellular mobile radio ?
Answer
1
Kurian J
Subject: Physics
, asked on 25/2/18
What is the difference between transmission media and channel ?
Answer
1
Archana
Subject: Physics
, asked on 23/2/18
Answer 9th one
Answer
1
Archana
Subject: Physics
, asked on 20/2/18
Define the term LOS. Write the limitation of LOS. Write two techniques used for increasing the range of signal coverage in the LOS.
Answer
1
Shreya Dey
Subject: Physics
, asked on 20/2/18
why high frequency wave cannot be communicated as sky wave?
Answer
1
Lavneesh Rajput
Subject: Physics
, asked on 19/2/18
What is the role of envelope detector in communication system
Answer
1
Ayushi Aggarwal
Subject: Physics
, asked on 18/2/18
Ques 19
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Answer
1
Ayushi Aggarwal
Subject: Physics
, asked on 18/2/18
Ques 10
Q10. Figure shows a communication system. What is the output power when input signal is of 1.01 mW? [gain in dB = 10 log
10
(P
0
/ P
i
)]
Answer
1
Nithyashrri Saravanan
Subject: Physics
, asked on 17/2/18
Dear experts , what is the bandwidth for Digital data
Answer
1
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Q.10. Study the annexure: LAN, WAN, MAN, Internet, e-mail, e- commerce, satellite education, GPS (alternates by India & China), Mobile telephony, 3G, 4G, ISBN, Bar code, MODEM, On line - Off line, Fax, Mangal - Yan etc.
Q. A TV tower has a height of 80 m at a given place. Calculate the coverage range if the radius of earth is 6400 km.
Table 15. Different layers of atmosphere and their interaction with the propagating electromagnetic waves.
transmitted one. If the bandwidth is large enough to accommodate a few harmonics, the information is not lost and the rectangular signal is more or less recovered. This is so because the higher the harmonic, less is its contribution to the wave form.
Q10. Figure shows a communication system. What is the output power when input signal is of 1.01 mW? [gain in dB = 10 log10 (P0/ Pi)]