Summary

• Electric field

• Written Quiz    Timer
  
  
• Electric field
  • force & acceleration applet
    
    Example #1
    
  • fields in two dimensions
    Example #2
    
  
  
• Electric potential energy

sb5 23.44
What field is required to stop electrons having energy 1.60�10^-17 J in a distance of 10.0 cm?
A. 1.0 N/C          B. 10 N/C
C. 100 N/C         D. 1000 N/C
Answer







gc6 16.16mod
Calculate the electric field at Q using the figure if Q = 1 nC and l = 1 m.
A. 53.2 N/C at 121°
B. 14.8 N/C at 68°
C. 105 N/C at 168°
D. 37.6 N/C at -31°
Answer







 



D. 1000 N/C













 



A. 53.2 N/C at 121° N