Ch. 16 Electric Charge and Electric Field

Due Wednesday Jan. 11 by 10 am

1. (This is similar to Q16.4)  A positively charged rod is brought close to a neutral piece of paper, which it attracts.  Explain how this attraction happens.

 

2. Please estimate the number of electrons in your body.  Be sure to tell me what assumptions you are making for this estimate.

 

3. Are there any thoughts you wish to share, whether they are about this assignment, the reading (what seems impossible, what makes no sense, what you'd like to spend time on in class, what you really found interesting etc) or the course?

 

Due Friday Jan. 13 by 10 am

1. (Q16.18) Why can electric field lines never cross?

 

2. Which of the following is true of a perfect conductor? Explain your answer.

a. There cannot be an electric field inside.

b. There cannot be any electric charges inside.

c. There cannot be an excess electric charge inside.

d. There can be no electric charge on the surface.

e. Two of the above choices are correct.

 

3. Are there any thoughts you wish to share, whether they are about this assignment, the reading (what seems impossible, what makes no sense, what you'd like to spend time on in class, what you really found interesting etc) or the course?