In Figure (a), both batteries have emf = 1.40 V and the external resistance R is a variable resistor. Figure (b) gives the electric potentials V between the terminals of each battery as functions of R: Curve 1 corresponds to battery 1, and curve 2 corresponds to battery 2. The horizontal scale is set by R$ = 0.400 Q2. What is the internal resistance of (a) battery 1 and (b) battery 2? 0.70-

In Figure (a), both batteries have emf = 1.40 V and the external resistance R is a variable resistor. Figure (b) gives the electric potentials V between the terminals of each battery as functions of R: Curve 1 corresponds to battery 1, and curve 2 corresponds to battery 2. The horizontal scale is set by R$ = 0.400 Q2. What is the internal resistance of (a) battery 1 and (b) battery 2? 0.70-

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter7: Parallel Circuits

Section: Chapter Questions

Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....

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In Figure (a), both batteries have emf = 1.40 V and the external resistance R is a variable resistor. Figure (b) gives the electric
potentials V between the terminals of each battery as functions of R: Curve 1 corresponds to battery 1, and curve 2 corresponds to
battery 2. The horizontal scale is set by R$ = 0.400 Q. What is the internal resistance of (a) battery 1 and (b) battery 2?
(a)
R
(a) Number
i
(b) Number i
V (V)
0.70
0
-0.420
(b)
R (92)
R₂
Unit
Unit

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Step 1: Determine the given variables

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Step 2: Calculating terminal voltages

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Step 3: Calculating the external resistance value and current

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Step 4: Calculating internal resistance of battery 1

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Step 5: Calculating internal resistance of battery 2

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