Both batteries in Figure (a) are ideal. Emf 8, of battery 1 has a fixed value, but emf 82 of battery 2 can be varied between 20.0 V and 200.0 V. The plots in Figure (b) give the currents through the two batteries as a function of 82. The vertical scale is set by is = 0.32 A. You must decide which plot corresponds to which battery, but for both plots, a negative current occurs when the direction of the current through the battery is opposite the direction of that battery's emf. What are (a) emf 81, (b) resistance R1, and (c) resistance R2? R 100.0 200.0 Ez (V) (a) (b) (a) Number Units (b) Number Units (c) Number Units

Both batteries in Figure (a) are ideal. Emf 8, of battery 1 has a fixed value, but emf 82 of battery 2 can be varied between 20.0 V and 200.0 V. The plots in Figure (b) give the currents through the two batteries as a function of 82. The vertical scale is set by is = 0.32 A. You must decide which plot corresponds to which battery, but for both plots, a negative current occurs when the direction of the current through the battery is opposite the direction of that battery's emf. What are (a) emf 81, (b) resistance R1, and (c) resistance R2? R 100.0 200.0 Ez (V) (a) (b) (a) Number Units (b) Number Units (c) Number Units

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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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

Both batteries in Figure (a) are ideal. Emf 81 of battery 1 has a fixed value, but emf 82 of battery 2 can be varied between 20.0 V and 200.0 V. The plots in Figure (b) give the currents through the two batteries as a
function of 82. The vertical scale is set by is = 0.32 A. You must decide which plot corresponds to which battery, but for both plots, a negative current occurs when the direction of the current through the battery is
opposite the direction of that battery's emf. What are (a) emf 81, (b) resistance R1, and (c) resistance R2?
R
100.0 200.0
E2 (V)
(a)
(b)
(a) Number
Units
(b) Number
Units
(c) Number
Units
Current (A)

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