In a system an input resistance of 20 k&ohm; causes a noise voltage of – McqOptions

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1.	In a system an input resistance of 20 k&ohm; causes a noise voltage of 15μV. If two such input resistances each of 20 k&ohm; are used in parallel, the total noise voltage will be about
A.	15 μV
B.	30 μV
C.	7.5 μV
D.	10.6 μV
Answer» E.

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