Consider the following choices: (a) increases, (b) decreases, (c) remains the same. From these choices, choose the best answer for the following situations. (i) In 27.3, a third resistor is added in series with the first two. What happens to the current in the battery? (ii) What happens to the terminal voltage of the battery? (iii) In 27.5, a third resistor is added in parallel with the first two. What happens to the current in the battery? (iv) What happens to the terminal voltage of the battery? A circuit diagram showingthe equivalent resistance ofthe resistors in seriesA pictorial representationA circuit diagram showingof two resistors connectedthe two resistors connectedin series to a batteryin series to a batteryR1R2AV,AV2R1R2аaI2AV1AV2Reg = R1+ R2ΔνAV++|aFigure 27.3 Two incandescent lightbulbs with resistances R, and R, connected in series. All three diagramsare equivalent. A pictorial representationof two resistors connectedA circuit diagram showingthe two resistors connectedA circuit diagram showingthe equivalent resistance ofthe resistors in parallelin parallel to a batteryin parallel to a batteryR1AV1R1R,AV2Ro111RegR1R2a>I,ΔνFigure 27.5 Two incandescentlightbulbs with resistancesR, and R, connected in par-allel. All three diagrams areΔνAVequivalent.

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Answered: A circuit diagram showing the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Consider the following choices: (a) increases, (b) decreases, (c) remains the same. From these choices, choose the best answer for the following situations. (i) In 27.3, a third resistor is added in series with the first two. What happens to the current in the battery? (ii) What happens to the terminal voltage of the battery? (iii) In 27.5, a third resistor is added in parallel with the first two. What happens to the current in the battery? (iv) What happens to the terminal voltage of the battery?

A circuit diagram showing
the equivalent resistance of
the resistors in series
A pictorial representation
A circuit diagram showing
of two resistors connected
the two resistors connected
in series to a battery
in series to a battery
R1
R2
AV,
AV2
R1
R2
а
a
I2
AV1
AV2
Reg = R1+ R2
Δν
AV
+
+|
a
Figure 27.3 Two incandescent lightbulbs with resistances R, and R, connected in series. All three diagrams
are equivalent.

A pictorial representation
of two resistors connected
A circuit diagram showing
the two resistors connected
A circuit diagram showing
the equivalent resistance of
the resistors in parallel
in parallel to a battery
in parallel to a battery
R1
AV1
R1
R,
AV2
Ro
1
1
1
Reg
R1
R2
a
>I,
Δν
Figure 27.5 Two incandescent
lightbulbs with resistances
R, and R, connected in par-
allel. All three diagrams are
Δν
AV
equivalent.

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