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2. The force between two charges separated by a distance r is F. If the distance between the charges and one of the charges are tripled, what is the force on each charge? a) 9 F b) 3 F c) 1/3 F d) 1/9F e) 6 F 3. The figure below shows a region of space where there is an electric field E at a given point in space. Two positions A and B are also shown. Which of the following arrangements could produce such an electric field? a) A single positive charge located at point B b) A single negative charge located at point A c) A negative charge at point A and a positive charge at point B d) Two positive charges of equal magnitudes at points A and B e) A single negative charge at point B B 4. The charges shown below repel each other with a force F, = 3 N. Then, one of the charges is increased by a factor of 4. What is the magnitude of the new force F2? a) ¾ N b) 3.0 N c) 12 N d) 16 N e) 4.0 N F1 F1 F2 F2 5. In the triboelectric series, glass is above silk. This means th against a glass rod: a) The glass becomes positive and the silk becomes negative b) The glass becomes negative and the silk becomes positive c) The glass and the silk both become positive d) The glass and the silk both become negative e) More information is needed to answer this question when a piece of silk is rubbed

2. The force between two charges separated by a distance r is F. If the distance between the charges and one of the charges are tripled, what is the force on each charge? a) 9 F b) 3 F c) 1/3 F d) 1/9F e) 6 F 3. The figure below shows a region of space where there is an electric field E at a given point in space. Two positions A and B are also shown. Which of the following arrangements could produce such an electric field? a) A single positive charge located at point B b) A single negative charge located at point A c) A negative charge at point A and a positive charge at point B d) Two positive charges of equal magnitudes at points A and B e) A single negative charge at point B B 4. The charges shown below repel each other with a force F, = 3 N. Then, one of the charges is increased by a factor of 4. What is the magnitude of the new force F2? a) ¾ N b) 3.0 N c) 12 N d) 16 N e) 4.0 N F1 F1 F2 F2 5. In the triboelectric series, glass is above silk. This means th against a glass rod: a) The glass becomes positive and the silk becomes negative b) The glass becomes negative and the silk becomes positive c) The glass and the silk both become positive d) The glass and the silk both become negative e) More information is needed to answer this question when a piece of silk is rubbed

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter18: Electric Charge And Electric Field
Section: Chapter Questions
Problem 20PE: (a) Common transparent tape becomes charged when pulled from a dispenser. If one piece is placed...
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2. The force between two charges separated by a distance r is F. If the distance between the charges and one of the charges are tripled, what is the force on each charge? a) 9 F b) 3 F c) 1/3 F d) 1/9F e) 6 F 3. The figure below shows a region of space where there is an electric field E at a given point in space. Two positions A and B are also shown. Which of the following arrangements could produce such an electric field? a) A single positive charge located at point B b) A single negative charge located at point A c) A negative charge at point A and a positive charge at point B d) Two positive charges of equal magnitudes at points A and B e) A single negative charge at point B B 4. The charges shown below repel each other with a force F, = 3 N. Then, one of the charges is increased by a factor of 4. What is the magnitude of the new force F2? a) ¾ N b) 3.0 N c) 12 N d) 16 N e) 4.0 N F1 F1 F2 F2 5. In the triboelectric series, glass is above silk. This means th against a glass rod: a) The glass becomes positive and the silk becomes negative b) The glass becomes negative and the silk becomes positive c) The glass and the silk both become positive d) The glass and the silk both become negative e) More information is needed to answer this question when a piece of silk is rubbed
Transcribed Image Text:2. The force between two charges separated by a distance r is F. If the distance between the charges and one of the charges are tripled, what is the force on each charge? a) 9 F b) 3 F c) 1/3 F d) 1/9F e) 6 F 3. The figure below shows a region of space where there is an electric field E at a given point in space. Two positions A and B are also shown. Which of the following arrangements could produce such an electric field? a) A single positive charge located at point B b) A single negative charge located at point A c) A negative charge at point A and a positive charge at point B d) Two positive charges of equal magnitudes at points A and B e) A single negative charge at point B B 4. The charges shown below repel each other with a force F, = 3 N. Then, one of the charges is increased by a factor of 4. What is the magnitude of the new force F2? a) ¾ N b) 3.0 N c) 12 N d) 16 N e) 4.0 N F1 F1 F2 F2 5. In the triboelectric series, glass is above silk. This means th against a glass rod: a) The glass becomes positive and the silk becomes negative b) The glass becomes negative and the silk becomes positive c) The glass and the silk both become positive d) The glass and the silk both become negative e) More information is needed to answer this question when a piece of silk is rubbed
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