Activity 1: Electric Potential1. Two charges Q1=+5nC and Q2=-7nC are separated by 8 cm.Qi O+5 nC2 cmCalculate the electric potential at point A. Refer to the figureto the right.6cm2. A research Van de Graaf generator has a 2.50 mm diameterA.2 cmsphere with a charge of 6.00 µC on it.A. What is the potential near its surface?Q2 = -7 nC|3|B. At what distance from its center is the potential 1.50 MV?Activity 2: Electric Potential Energy8.5 µC are initially very far1. Two-point charges Q1 = 4.5 µC and Q2apart. They are then brought together, with a final separation of 3.5 mm.%DHow much work does it take to bring them together?2. An electron is accelerated from rest through a potential difference of 15V.What is the change in electric potential energy of the electron?3. In nuclear fission, a nucleus splits roughly in half.A. What is the potential 4.00 x 10-14 m from a fragment that has 50protons in it? (p=+1.602x10-19 C)B. What is the potential energy of a similarly charged fragment at thisdistance?

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Activity 1: Electric Potential 1. Two charges Q1=+5nC and Q2=-7nC are separated by 8 cm. Qi e +5 nC Calculate the electric potential at point A. Refer to the figure to the right. 6 cm 2. A research Van de Graaf generator has a 2.50 mm diameter 2 cm sphere with a charge of 6.00 µC on it. A. What is the potential near its surface? 0,-7 nC B. At what distance from its center is the potential 1.50 MV?

Activity 1: Electric Potential 1. Two charges Q1=+5nC and Q2=-7nC are separated by 8 cm. Qi e +5 nC Calculate the electric potential at point A. Refer to the figure to the right. 6 cm 2. A research Van de Graaf generator has a 2.50 mm diameter 2 cm sphere with a charge of 6.00 µC on it. A. What is the potential near its surface? 0,-7 nC B. At what distance from its center is the potential 1.50 MV?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Activity 1: Electric Potential
1. Two charges Q1=+5nC and Q2=-7nC are separated by 8 cm.
Qi O+5 nC
2 cm
Calculate the electric potential at point A. Refer to the figure
to the right.
6cm
2. A research Van de Graaf generator has a 2.50 mm diameter
A.
2 cm
sphere with a charge of 6.00 µC on it.
A. What is the potential near its surface?
Q2 = -7 nC
|3|
B. At what distance from its center is the potential 1.50 MV?
Activity 2: Electric Potential Energy
8.5 µC are initially very far
1. Two-point charges Q1 = 4.5 µC and Q2
apart. They are then brought together, with a final separation of 3.5 mm.
%D
How much work does it take to bring them together?
2. An electron is accelerated from rest through a potential difference of 15V.
What is the change in electric potential energy of the electron?
3. In nuclear fission, a nucleus splits roughly in half.
A. What is the potential 4.00 x 10-14 m from a fragment that has 50
protons in it? (p=+1.602x10-19 C)
B. What is the potential energy of a similarly charged fragment at this
distance?

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