Learning Task 4 Solve the following problems. Show your solution. 1. An equipotential surface that surrounds a + 3.0 µC point charge has a radius of 2.0 cm. What is the potential of this surface?

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter24: Electric Potential
Section: Chapter Questions
Problem 2P: (a) Find the electric potential difference Ve required to stop an electron (called a stopping...
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Hi! Can someone answer Learning Task 4, no. 1? Kindly include given, the required, formula, and solution. Thanks! 

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content/uploads/sites/222/2014/12/20105743/Figure_20_04 02a.jpg
It is important to note that equipotential lines are always perpendicular
to electric field lines. No work is required to move a charge along an
equipotential, since AV = 0. Thus the work is W = - AU = -qAV = 0.
Learning Task 4
Solve the following problems. Show your solution.
1. An equipotential surface that surrounds a + 3.0 uC point charge has
a radius of 2.0 cm. What is the potential of this surface?
2. A spark plug in an automobile engine consists of two metal conductors
that are separated by a distance of 0.5 mm. When an electric spark
jumps between them, the magnitude of the electric field is 4.0 x 107
V/m. What is the magnitude of the potential difference AV between
the conductors?
We have all observed the awe-inspiring beauty and power of a good
ectrical storm. The flashes of lightning, followed at varying time intervals by
clash of thunder, can be both fascinating and frightening. What is lightning?
ow are thunderclouds capable of producing the impressive electrical
charges that we see? What happens in an electrical storm?
An important application of electric fields and equipotential lines
Transcribed Image Text:https://s3-us-west-2.amazonaws.com/courses-images-archive-read-only/wp- content/uploads/sites/222/2014/12/20105743/Figure_20_04 02a.jpg It is important to note that equipotential lines are always perpendicular to electric field lines. No work is required to move a charge along an equipotential, since AV = 0. Thus the work is W = - AU = -qAV = 0. Learning Task 4 Solve the following problems. Show your solution. 1. An equipotential surface that surrounds a + 3.0 uC point charge has a radius of 2.0 cm. What is the potential of this surface? 2. A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 0.5 mm. When an electric spark jumps between them, the magnitude of the electric field is 4.0 x 107 V/m. What is the magnitude of the potential difference AV between the conductors? We have all observed the awe-inspiring beauty and power of a good ectrical storm. The flashes of lightning, followed at varying time intervals by clash of thunder, can be both fascinating and frightening. What is lightning? ow are thunderclouds capable of producing the impressive electrical charges that we see? What happens in an electrical storm? An important application of electric fields and equipotential lines
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