Embed Size (px)
DESCRIPTION
F=300nN. Concept of electric field. E=150N/C. Charge distribution. P. q=-4nC. Test charge=2nC. Electric field at P =. 600nN. Force on q =. What is electric field at center ?. A. B. -q. +q. E B. a. E A. E C. E D. E. -q. -q. D. C. Electric dipole. - PowerPoint PPT Presentation
Citation preview
Concept of electric field
Charge distribution
Test charge=2nC
F=300nN
Electric field at P =
P
CNnC
nN
q
F/150
2
300
0
E=150N/C
q=-4nC
Force on q =
NCNCqE 99 10600)/(150)(104
600nN
a
+q
-q
-q
-q
What is electric field at center ?
EA
A B
CD
EB
ED
EC
E
Electric dipole
Field lines of two equal charges
Michael Faraday (1791-1867)
