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A 0.0200- ammeter is placed in series with a 10.00- resistor in a circuit. (a) Draw a

College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram ISBN: 9781938168932 372

Solution for problem 54 Chapter 21

College Physics for AP® Courses | 1st Edition

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College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram

College Physics for AP® Courses | 1st Edition

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Problem 54

A 0.0200- ammeter is placed in series with a 10.00- resistor in a circuit. (a) Draw a circuit diagram of the connection. (b) Calculate the resistance of the combination. (c) If the voltage is kept the same across the combination as it was through the 10.00- resistor alone, what is the percent decrease in current? (d) If the current is kept the same through the combination as it was through the 10.00- resistor alone, what is the percent increase in voltage? (e) Are the changes found in parts (c) and (d) significant? Discuss

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Week 2 Monday, August 29, 2016 12:03 AM • Charging by rubbing- if you rub glass rod with silk, e- transfer from rod to silk leaves equal + charge on rod..only rubbed area is charged • Polarization: ○ In neutral atoms:center of + charge coincides w/ center of - charge ○ Charged atoms:centers separate from electric force  Causes electric dipole(polarization) ○ Ex) neutral wall w + balloon…+ charged balloon will induce - charge on insulator(wall) • Coulomb's law- electric force has following properties: ○ Directed along line joining 2 charged particles ○ Inversely proportional to square of separation distance (r) btwn them Proportionalto product of mags of charges q1 and q2 on the particles Attractive- when charges are opp signs Repulsive- charges have same signs (Same as above w/out - charge) Coulomb's constant: -k =8.9875x10^9 N m /C • Electrostaticforces- electric forces btwn 2 unmoving charges • Magnetic forces- moving charges • Field force- force exerted by one object on another object even tho there is no physical contact btwn them ○ Directs along line connecting 2 bodies ○ Other ex of field force) gravity ○ Electrical v gravitational force Stronger weaker Attractive or repulsive always attractive Both: directed

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Chapter 21, Problem 54 is Solved
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Textbook: College Physics for AP® Courses
Edition: 1
Author: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram
ISBN: 9781938168932

This full solution covers the following key subjects: . This expansive textbook survival guide covers 34 chapters, and 2282 solutions. College Physics for AP® Courses was written by and is associated to the ISBN: 9781938168932. This textbook survival guide was created for the textbook: College Physics for AP® Courses, edition: 1. Since the solution to 54 from 21 chapter was answered, more than 242 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 54 from chapter: 21 was answered by , our top Physics solution expert on 03/09/18, 08:07PM. The answer to “A 0.0200- ammeter is placed in series with a 10.00- resistor in a circuit. (a) Draw a circuit diagram of the connection. (b) Calculate the resistance of the combination. (c) If the voltage is kept the same across the combination as it was through the 10.00- resistor alone, what is the percent decrease in current? (d) If the current is kept the same through the combination as it was through the 10.00- resistor alone, what is the percent increase in voltage? (e) Are the changes found in parts (c) and (d) significant? Discuss” is broken down into a number of easy to follow steps, and 93 words.

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A 0.0200- ammeter is placed in series with a 10.00- resistor in a circuit. (a) Draw a