Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 33, Problem 34A
Why does your hair stand out when you are charged by a device such as a Van de Graaff generator?
Expert Solution & Answer
To determine
To explain: Van de Graaff generator stand out the hair.
Explanation of Solution
Hair is like thin string and can carry charge particle on its surface, So when a person touch the Van de Graaff generator, the negative charge move from generator to the body. The charge on the person distribute all over the body depend upon the electric potential. Since ends of hair is considered to be a small sphere. The negative charge concentration is more at the hair’s end. Since like charge repel each other, this would separate each hair which tends to stand out.
Chapter 33 Solutions
Conceptual Physics: The High School Physics Program
Ch. 33 - What is meant by the expression action at a...Ch. 33 - How does the concept of a field eliminate the idea...Ch. 33 - How are a gravitational field and an electric...Ch. 33 - Why is an electric field considered a vector...Ch. 33 - a. What are electric field lines? b. How do their...Ch. 33 - How is the strength of an electric field indicated...Ch. 33 - Describe the electric field lines in the space...Ch. 33 - Why are occupants safe inside a car struck by...Ch. 33 - a. Can gravity be shielded? b. Can electric fields...Ch. 33 - What happens to the electric field inside a...
Ch. 33 - What is the relationship between the amount of...Ch. 33 - What will happen to the electrical potential...Ch. 33 - Clearly distinguish between electrical potential...Ch. 33 - If you do more work to move more charge a certain...Ch. 33 - The SI unit for electrical potential energy is the...Ch. 33 - Charge must be present at a location in order for...Ch. 33 - How can electric potential be high when electrical...Ch. 33 - How does the amount of charge on the plate of a...Ch. 33 - How does the amount of charge on the inside...Ch. 33 - How much voltage can be built up on a Van de...Ch. 33 - The diagrams A, B, and C represent pairs of...Ch. 33 - Rank from greatest to least the force on the...Ch. 33 - Three charged particles are in an electric field...Ch. 33 - A charged ball is suspended by a string in a...Ch. 33 - Shown below are three hollow copper spheres....Ch. 33 - How is an electric field different from a...Ch. 33 - The vectors for the gravitational field of Earth...Ch. 33 - Imagine an electron and a proton held midway...Ch. 33 - Suppose that the strength of the electric field...Ch. 33 - When a conductor is charged, the charge moves to...Ch. 33 - Suppose that a metal tile cabinet is charged. How...Ch. 33 - Does an object with twice the electric potential...Ch. 33 - You are not harmed by contact with a charged...Ch. 33 - Why does your hair stand out when you are charged...Ch. 33 - If you put in 10 joules of work to push 1 coulomb...Ch. 33 - At a particular point near a second charge, a 50-C...Ch. 33 - When placed near another charge, a 20-C charge...Ch. 33 - A 12-C charge is located in a 350-N/C electric...Ch. 33 - a. If you do 12 J of work to push 0.001 C of...Ch. 33 - What is the voltage at the location of a 0.0001-C...Ch. 33 - a. Suppose that you start with a charge of 0.002 C...Ch. 33 - Point A is at +10V, point B is at +7V, and point C...Ch. 33 - In a hydrogen atom, the proton and the electron...Ch. 33 - The potential difference between a storm cloud and...
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