In a system an input resistance of 20 kŒ© causes a noise voltage of – McqOptions

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

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