Errata on Clicker questions”

Lec 7-4 Clicker question D:

Now have: Direction of electric field at B

Change to: Electric field at A

Lec 9-2 Clicker question B.

Now have:

Choice

1

2

3

E in region II

 

 

 

Change to:

Choice

1

2

3

E in region I

 

 

 

 

Change to: E in region I

Lec 14-4:

Now have +5N/C 

Change to: The ball charge is + 5nC

Lec 17-4

Choice

B at P (RHR1)

B at P (RHR2)

B at P (RHR3)

1

CW

Out

Up

2

CCW

Out

Up

3

CCW

Out

Down

4

CCW

Into

Up

Viewed from top:  CW= Clockwise, CCW =Counter-clockwise

 Lec 27-3

The correct choice is 4. (The original choice is a typo. Notice the explanation is correct)