Question 3 The electric current I in a circuit shown in the figure was measured as a function of the resistance R in the circuit. The relationship between I and R is given by I = R +r where ɛ is the emf of the battery in the circuit and r is the internal resistance of the battery. E,r a) Linearise the equation above, and state which variable you would plot on the x-axis and which on the y-axis. b) How are ɛ and r related to the gradient and/or y-intercept of the graph?
Question 3 The electric current I in a circuit shown in the figure was measured as a function of the resistance R in the circuit. The relationship between I and R is given by I = R +r where ɛ is the emf of the battery in the circuit and r is the internal resistance of the battery. E,r a) Linearise the equation above, and state which variable you would plot on the x-axis and which on the y-axis. b) How are ɛ and r related to the gradient and/or y-intercept of the graph?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter23: Series And Parallel Circuits
Section23.1: Simple Circuits
Problem 7PP
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