lrue and False: 4 Points Each Any answers NOT recorded on the Scantron answer pa

Question

lrue and False: 4 Points Each Any answers NOT recorded on the Scantron answer page wi ill NOT be counted 1. Electric field lines start on positive charges and end on negative charges (arrows point to negative). True or B) False 2. The units of electric potential differences are volts. True or B)False The electrostaticforce between two electrons is attractive. A) True or B) False A charge is placed on a balloon by rubbing it with wool. The balloon will have a positive charge on it, and 3· 4. the wool will have a negative charge on it. A) True or False 5. A dielectric material is used between the plates of a capacitor to decrease the capacitance of the capacitor (from its vacuum value). A) True or B) False in a circuit is the direction that positive charges move through the 6. The direction of comventional current 1, circuit A) True or B)False 7. In an isolated system charge is conserved. True or B) False The net electric force does no work as a charge moves on an equipotential surface. A) True or B) False 8.

Explanation / Answer

1. True

2. True

3. False

4. False, Ballon will have negative charge.

5. False, it increases the capacitance i.e. C=eAk/d if k increases C increases.

6. True

7. True

8. True

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