Using the proof plane and the rubber rod, charge the electroscope fully, by the method discussed above. Now, charge the glass rod by rubbing it with the silky cloth. Bring the glass rod close (but not too close) to the electroscope knob. (If it comes too close, a spark may jump and the movable leaf will be nothing but gold shrapnel.) You should see the electroscope leaf collapse slightly as the glass rod is brought near. If this does not work, you may have too much negative charge on the electroscope. Scoop some off using the proof piane and deposit it on the ground fixture. (a) Explain how the extra electrons on the electroscope move as the positively charged glass rod comes close, and why. Notice the net charge on the combination of electroscope leaves plus knob does not change, since no charge transfers to or from the glass rod.

Using the proof plane and the rubber rod, charge the electroscope fully, by the method discussed above. Now, charge the glass rod by rubbing it with the silky cloth. Bring the glass rod close (but not too close) to the electroscope knob. (If it comes too close, a spark may jump and the movable leaf will be nothing but gold shrapnel.) You should see the electroscope leaf collapse slightly as the glass rod is brought near. If this does not work, you may have too much negative charge on the electroscope. Scoop some off using the proof piane and deposit it on the ground fixture. (a) Explain how the extra electrons on the electroscope move as the positively charged glass rod comes close, and why. Notice the net charge on the combination of electroscope leaves plus knob does not change, since no charge transfers to or from the glass rod.

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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