College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 29P
Figure P22.29 shows the current-versus-potential-difference graph for a resistor.
Figure P22.29
a. What is the resistance of this resistor?
b. Suppose the length of the resistor is doubled while keeping its cross section the same. (This requires doubling the amount of material the resistor is made of.) Copy the figure and add to it the current-versus-potential-difference graph for the longer resistor.
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Current Iin flows into three resistors connected together one after the other as shown. The accompanying graph shows the value of the potential as a function of position.a. Is Iout greater than, less than, or equal to Iin ? Explain.b. Rank in order, from largest to smallest, the three resistances R1 , R2 , and R3. Explain.
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Figure shows the current-versus-potential-difference graph for a resistor.a. What is the resistance of this resistor?b. Suppose the length of the resistor is doubled while keeping its cross section the same. (This requires doubling the amount of material the resistor is made of.) Copy the figure and add to it the current-versus-potential-difference graph for the longer resistor.
Chapter 22 Solutions
College Physics: A Strategic Approach (3rd Edition)
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