# Physics 1

The flashcards below were created by user Skitty2004 on FreezingBlue Flashcards.

1. Doug rubs a piece of fur on a hard rubber rod, giving the rod a negative charge. What happens?
Electrons are added to the rod.
2. The electric field associated with a uniformly charged hollow metallic sphere is the greatest at:
the sphere's outer surface.
3. A closed surface contains the following point charges: 6 C, 4 C, -2 C, -4 C. The electric flux coming out of the surface is:
4 C/eo
4. The beam of electrons that hits the screen of an oscilloscope is moved up and down by:
electrical charges on deflecting plates
5. Of the following substances, which one contains the highest density of free electrons?
iron
6. Relative distribution of charge density on the surface of a conducting solid depends on:
the shape of the conductor.
7. When a glass rod is rubbed with silk, which of the following statements best describes what happens?
electrons are removed from the rod
8. About how many electrons are in 30 grams of water (H2O)?
10^25
9. If the size of the charge value is tripled for both of two point charges maintained at a constant separation, the mutual force between them will be changed by what factor?
9.0
10. Which of the following best characterizes electrical insulators?
charges on the surface don't move
11. The combination of two separated point charges of opposite sign but equal magnitude is called an electric:
dipole
 Author: Skitty2004 ID: 257257 Card Set: Physics 1 Updated: 2014-01-18 21:00:53 Tags: physics2 chapter Folders: physics2 Description: physics Show Answers: