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Electric field and potential from 4 charges

Page history last edited by Joe Redish 6 years, 2 months ago

8.2.P8

 

The figure at the right shows some measurements of the electric field produced by four charges (A, B, C, and D) and measured by a negative test charge. Circle the correct answers.

 

1. Which of the following statements are true about these charges?

a) Charges A and D are positive.

b) Charges B and C are positive.

c)  All the charges are of equal magnitude.

d) You can't conclude anything about the charges.

 

Explain your reasoning. 


  

2. Which of the following graphs represents the electric potential along the dotted line (x axis)? (Choose N if none of these graphs are correct.)

 

 

 

 

Ben Dreyfus 3/24/16

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