The two figure panels show two ways to connect a real (non-ideal) voltmeter and a real ammeter in a circuit to calculate the resistance R. The internal resistance of the voltmeter is Rv and the internal resistance of the ammeter is Ra. The current flows from left to right in both panels, and the potential difference Vac between points a and c in both panels is the same.In panel (a) the voltmeter reads Vac = 12.1 V and the ammeter reads I1 = 0.098 A.In panel (b) the voltmeter reads Vab = 12.0 V and the ammeter reads I2 = 0.100 A.I need help with Part D. (a)LeR.(b)RwwVRMRyVRyRAAA Part AWhy does the voltmeter read a higher voltage and theammeter a lower current in panel (a)?1 Part B.Given that the potential difference Vac betweenpoints a and c in both panels is the same, using yourmeasurements of Vab and 12 in panel (b), find the internalresistance of the ammeter RA.Part CGive your answer to one decimal.Part DPart EUsing your result from part (B), find the resistance R.(b)RRyWhat is the current (to three decimals) through the resistor R in panel (b)?What is the internal resistance Ry of the voltmeter?

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Answered: Part A Why does the voltmeter read a…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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The two figure panels show two ways to connect a real (non-ideal) voltmeter and a real ammeter in a circuit to calculate the resistance R. The internal resistance of the voltmeter is Rv and the internal resistance of the ammeter is Ra. The current flows from left to right in both panels, and the potential difference Vac between points a and c in both panels is the same.

In panel (a)  the voltmeter reads Vac = 12.1 V and the ammeter reads I1 = 0.098 A.

In panel (b) the voltmeter reads Vab = 12.0 V and the ammeter reads I2 = 0.100 A.

I need help with Part D.

Part A
Why does the voltmeter read a higher voltage and the
ammeter a lower current in panel (a)?
1 Part B.
Given that the potential difference Vac between
points a and c in both panels is the same, using your
measurements of Vab and 12 in panel (b), find the internal
resistance of the ammeter RA.
Part C
Give your answer to one decimal.
Part D
Part E
Using your result from part (B), find the resistance R.
(b)
R
Ry
What is the current (to three decimals) through the resistor R in panel (b)?
What is the internal resistance Ry of the voltmeter?

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