(a) Two resistors R1 and R2 are connected in parallel. The thermal noise voltage appearing across this parallel combination is 0.0487 microvolts. Effective noise bandwidth is 21 kHz and the reference temperature is 20 °C. If the value of R1= 11 ohms, find the value of R2 and the thermal noise power in nanoWatts. (b) In the above problem, if the same resistors R1 and R2 are connected in series, find the thermal noise voltage in microvolts and thermal noise power in nanoWatts, across the series combination. (. a) Resistor R2 = (in ohms) a) Thermal Noise Power in nanowatts (for the parallel combination ) = b) Thermal Noise Power in nanowatts (for the series combination) = %3D Thermal noise voltage (in microvolts) ( for the series combination ) = %3D

(a) Two resistors R1 and R2 are connected in parallel. The thermal noise voltage appearing across this parallel combination is 0.0487 microvolts. Effective noise bandwidth is 21 kHz and the reference temperature is 20 °C. If the value of R1= 11 ohms, find the value of R2 and the thermal noise power in nanoWatts. (b) In the above problem, if the same resistors R1 and R2 are connected in series, find the thermal noise voltage in microvolts and thermal noise power in nanoWatts, across the series combination. (. a) Resistor R2 = (in ohms) a) Thermal Noise Power in nanowatts (for the parallel combination ) = b) Thermal Noise Power in nanowatts (for the series combination) = %3D Thermal noise voltage (in microvolts) ( for the series combination ) = %3D

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

(a) Two resistors R1 and R2 are connected in
parallel. The thermal noise voltage appearing
across this parallel combination is 0.0487
microvolts. Effective noise bandwidth is 21 kHz
and the reference temperature is 20 °C. If the
value of R1= 11 ohms, find the value of R2 and the
thermal noise power in nanoWatts.
(b) In the above problem, if the same resistors R1
and R2 are connected in series, find the thermal
noise voltage in microvolts and thermal noise
power in nanoWatts, across the series
combination. 4
a) Resistor R2 =
(in ohms)
a) Thermal Noise Power in nanowatts (for the
parallel combination ) =
b) Thermal Noise Power in nanowatts (for the
series combination) =
%3D
Thermal noise voltage (in microvolts)( for the
series combination ) =

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