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A resistor R1 k is maintained at 17C. The rms noise voltage generated in a bandwidth of 10 kHz is(a) 16 x 10^(-14) V(b) 0.4 µV(c) 4 µV(d) 16 x 10^(-18) VThe question was posed to me during an online interview.My doubt stems from Noise in portion EDC Overview of Electronic Devices & Circuits |
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Answer» RIGHT ANSWER is (b) 0.4 µV Explanation: v^2 = 4kBTR where symbols have their usual MEANINGS, HENCE v = 0.4 µV. |
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