An amplifier operating over a frequency range of 18 to 20 MHz has 10 k – McqOptions

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1.	An amplifier operating over a frequency range of 18 to 20 MHz has 10 k&ohm; input resistance. At a temperature of 27° C, the noise voltage at input of amplifier is (Boltzman constant k = 1.38 x 10-23 J/K)
A.	18.2 μV
B.	182 μV
C.	16.2 μV
D.	162 μV
Answer» B. 182 μV

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