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Which antenna is preferred for aerial TV receiver in monochrome TV receiver?
A receiver is operated at a temperature of 300 K. The transistor used in the receiver have an average output resistance of 1 k. The Johnson noise voltage for a receiver with a bandwidth of 200 kHz is
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : Of all the radio sets manufactured in India, the 'X' brand has the largest sale.

Assumptions :
I. The sale of all the radio sets manufactured in India is known.
II. The manufacturing of no other radio set in India is as large as 'X' brand radio.
According to the National Agricultural Aviation Society (NAAS), without the use of crop protection products to control insects, weeds, and diseases, crop yields per acre will drop by more than 50 percent. The first aerial appligreion of insecticide occurred in 1921, and it was a huge success. By contrast, in today's economy all aircraft that are classified as aerial appligreors do more than just apply insecticide; today, they also spread seed and apply fertilizer. From the information given above it CANNOT be validly concluded that
In a receiver the input signal is 100 V, while the internal noise at the input is 10 V. With amplification the output signal is 2 V, while the output noise is 0.4 V. The noise figure of receiver is
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In a receiver, if the noise figure of the mixer stage in the receiver is 7 dB, then the equivalent noise temperature is given that the receiver is operating at 290 K:
The sender asks the receiver what is to be sent to him (the receiver). He also takes care of the aspirations of the receiver while he designs and transmits the message. This is the chief guiding tenet of the
A rectangular pulse train s(t) as shown in the figure is convolved with the signal cos2(4π × 103t). The convolved signal will be a
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If a radio receiver amplifies all the signal frequencies equally well, it is said to have high ___________