1. Write your prediction first on your paper by answering the question below. a. What happens to the pieces of paper if a balloon that is rubbed with pants is brought near to it? Why? Prediction and Explanation: 2. Tear pieces of paper into small bits. 3. Rub the balloon with your rag, pants, or hair. 4. Bring the balloon near the pieces of paper and observe. Write your observations below. Observation: What type of charging is exhibited? 4. Write your explanation on the phenomenon using the concept of Triboelectric series. Explanation:

1. Write your prediction first on your paper by answering the question below. a. What happens to the pieces of paper if a balloon that is rubbed with pants is brought near to it? Why? Prediction and Explanation: 2. Tear pieces of paper into small bits. 3. Rub the balloon with your rag, pants, or hair. 4. Bring the balloon near the pieces of paper and observe. Write your observations below. Observation: What type of charging is exhibited? 4. Write your explanation on the phenomenon using the concept of Triboelectric series. Explanation:

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Gauss’s Law

Section: Chapter Questions

Problem 24.7CQ: A person is placed in a large, hollow, metallic sphere that is insulated from ground, (a) If a large...

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A person is placed in a large, hollow, metallic sphere that is insulated from ground, (a) If a large charge is placed on the sphere, will the person be harmed upon touching the inside of the sphere? (b) Explain what will happen if the person also has an initial charge whose sign is opposite that of the charge on the sphere.
Suppose Earth and the Moon each carried a net negative charge Q . Approximate both bodies as point masses and point charges. (a) What value of Q is required to balance the gravitational attraction between Earth and the Moon? (b) Does the distance between Earth and the Moon affect your answer? Explain. (c) How many electrons would be needed to produce this charge?
(a) How strong is the attractive force between a glass rod with a 0.700 C charge and a silk cloth with a 0.600 C charge, which are 12.0 cm apart, using the approximation that they act like point charges? (b) Discuss how the answer to this problem might be affected if the charges are distributed over some area and do not act like point charges.
A 2.5-g copper penny is given a charge of 2.0109C . (a) How many excess electrons are on the penny? (b) By what percent do the excess electrons change the mass of the penny?
An amoeba has 1.001016protons and a net charge of 0.300 pC. (a) How many fewer electrons are there than protons? (b) If you paired them up, what fraction of the protons would have no electrons?
Describe one promising explanation for how thunderclouds become electrified, that is, acquire a charge separation that often leads to cloud-to-ground lightning strikes.
A balloon clings to a wall after it is negatively charged by rubbing. (a) Does that occur because the wall is positively charged? (b) Why does the balloon eventually fall?
Suppose a student rubs paper onto his hair. Answer the following problems. a. What is the process of charging used in this case? b. What is the charge sign of the hair and the paper after they are rubbed together? c. If the paper gains a charge of 0.42 C, what is the charge of the hair?
Upon entering the room, you observe two balloons suspended from the ceiling. You notice that instead of hanging straight down vertically, the balloons seems to be repelling each other. You can conclusively say ... a. both balloons have a negative charge. b. both balloons have a positive charge. c. one balloon is charge positively and the other negatively. d. both balloons are charged with the same type of charge. Explain your answer.
V. EVALUATION: Read each item carefully and choose the letter of the best answer. 1. Which of the following statements below CORRECTLY distinguish between charging by rubbing and charging by induction? a. Charging by rubbing results to transfer of electrons from one body to another without physical contact while charging by induction results to redistribution of charges without physical contact. b. Charging by rubbing results to transfer of electrons from one body to another with physical contact while charging by induction results to redistribution of charges with physical contact. c. Charging by rubbing results to transfer of electrons from one body to another with physical contact while charging by induction results to redistribution of charges without physical contact. d. Charging by rubbing results to transfer of electrons from one body to another without physical contact while charging by induction results to redistribution of charges with physical contact. 2. When you rub a…
Consider the following statements given below and determine if the charge of Object A is: a. positive b. negative c. neutral Description of Charging Method a, b, or c? i. Object A is charged by friction using animal fur. Animal fur has a greater electron affinity than object A. ii. Object A is charged by contact using a negatively charged object. iii. Object A is charged by induction using a positively charged object. iv. Object A is used to charge an aluminum plate by the method of induction. The aluminum plate acquires a positive charge. v. Object A is used to charge an aluminum plate by the method of induction. The aluminum plate acquires a negative charge. vi. A rubber rod has a greater electron affinity than animal fur. The rubber rod is charged by friction with animal fur. The rubber rod is then used to charge Object A by the method of contact. vii. A rubber rod has a greater electron affinity than animal fur. The rubber rod…
Which statement best explains why a rubber rod becomes negatively charged when rubbed with fur? a. The rubber that the rod is made of is a better insulator than fur. b. The fur is a better insulator than the rubber. c. Molecules in the rubber rod have a stronger attraction for electrons than the molecules in the fur. d. Molecules in the fur have a stronger attraction for electrons than the molecules in the rubber rod. Explain?