Noise In Communication Systems – 1 – 4

16. If the value of a resistor is doubled, the thermal noise power generated :

(a) Gets halved
(b) Gets doubled
(c) Gets quadrupled
(d) Remains unchanged

ANSWER

EXPLANATION

17. The auto correction function of the white noise is :

(a) Impulse function
(b) Step function
(c) Constant
(d) None of the above

ANSWER

EXPLANATION

18. Pick odd one out :

(a) Cosmic noise
(b) Galactic noise
(c) Atmospheric noise
(d) Polar noise

ANSWER

EXPLANATION

19. Thermal noise power is :

(a) Proportional to B
(b) Proportional to √B
(c) Proportional to 1/B^2
(d) Proportional to B^2

ANSWER

EXPLANATION

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