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The element X and Y in the communication...

The element X and Y in the communication system (figure) are respectively

A

Noise, channel

B

Receiver, channel

C

Receiver, noise

D

Channel, receiver

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-Mock Test 40: PHYSICS-Example
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  2. For a transistor, in a common emitter arragement, the alternating curr...

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  3. Transistors can work as a switch in

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  4. Transconductance in CE amplifier circuit is defined as

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  5. Power Gain of CE amplifier circuit is given by

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  6. The following gate is equivalent to

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  7. The element X and Y in the communication system (figure) are respectiv...

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  8. The length of half wave dipole antenna at 50 MHz is

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  9. The process of increasing the strength of a signal using an electronic...

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  10. A device that converts one from of energy into another form is termed ...

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  11. The power radiated by linear antenna of length 'l' is proportional to ...

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  12. One of the components of frequency of amplitude modulated wave (AM) fo...

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  13. Amplitude modulation index mu determines

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  14. If Am and Ac are the amplitudes of modulating signal and carrier wave ...

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  15. The maximum line-of -sight distance d(M) between two antennas having h...

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  16. The amplitude modulated signal consists of two sinusoidal waves of fre...

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  17. An AM transmitter radiates 70 kW of carrier power. The radiated power ...

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  18. If omegac and omegam are angular frequencies of carrier wave and modul...

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  19. Communication through free space using radio waves takes place over fr...

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  20. During the process of modulation, if phase of the carrier wave is vari...

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