cbse booksShort answer question
What is a transponder ? [Delhi 2005C]
Communication Systems
The transmission of signals using ground waves are restricted upto a frequency of about 1500 kHz. Wh...
Submitted by mrs_gulathi on Sun, 08/28/2011 - 19:33Short answer question
The transmission of signals using ground
waves are restricted upto a frequency of about
1500 kHz. Why ? [Delhi 2005C]
How does the effective power radiated by an antenna vary with wavelength ? [AI 2005]
Submitted by mrs_gulathi on Sun, 08/28/2011 - 19:33Short answer question
How does the effective power radiated by an
antenna vary with wavelength ? [AI 2005]
Name the process by which exact reproduction of a document at a distant place can be received.
Submitted by mrs_gulathi on Sun, 08/28/2011 - 19:33Short answer question
Name the process by which exact reproduction
of a document at a distant place can be
received.
Name the device which can represent digital data by analog signals and vice-versa. [Delhi 2005C]
Submitted by mrs_gulathi on Sun, 08/28/2011 - 19:33Short answer question
Name the device which can represent digital
data by analog signals and vice-versa.
[Delhi 2005C]
Name the type of communication in which the signal is a discrete and binary coded version of the mes...
Submitted by mrs_gulathi on Sun, 08/28/2011 - 19:33Short answer question
Name the type of communication in which the
signal is a discrete and binary coded version
of the message of information. [Delhi 2006]
