C17VideoLab(2)

C17VideoLab(2) - Disk 17: Demo #1: Electrostatic Induction...

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LAB WORKSHEET: ELECTROSTATICS NAME: __________________ PERIOD: ____ ATTACH THE NOTES YOU TOOK DURING THE MOVIES! Disk 16: Demo #21: Electrostatic Rods 1) Rods are rubbed with a cloth, causing electrons to move into or out of the rod. One rod is placed on a rotation stand, and another is brought nearby. What happens when… a) two acrylic rods are rubbed with the cloth? b) two rubber rods are rubbed with the cloth? c) one rubber and one acrylic rod are rubbed with the cloth? 2) Based on the video, what can you say about the atoms that make up the acrylic rod and those in the cloth? Which type holds tightly to their electrons, and which does not? 3) Based on the video, what can you say about the atoms that make up the rubber rod and those in the cloth? Which type holds tightly to their electrons, and which does not?
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Unformatted text preview: Disk 17: Demo #1: Electrostatic Induction 4) What happens when you bring an electrically charged object near a conductor? Disk 17: Demo #2: Metal Rod Attraction 5) Must an object have too many or too few electrons in order to be pushed or pulled by an electrostatic force? Explain. Disk 17: Demo #10: Electric Field 6) Sketch the electric field around the following charged objects: a) a charged cylinder b) parallel, oppositely charged metal plates c) concentric, oppositely charged cylinders 7) What rules do the field lines seem obey? Are there regularities in how they form? Disk 17: Demo #13: Point and Candle Disk 17: Demo #16: Smoke Precipitation 8) What evidence have you seen that indicates the flame and smoke contain charged particles? Explain. + -+ -...
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This note was uploaded on 08/29/2010 for the course PHYS 38234 taught by Professor Ramesh during the Spring '09 term at Berkeley.

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C17VideoLab(2) - Disk 17: Demo #1: Electrostatic Induction...

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