electrostatics

Question 1

electric field of a uniformly charged semicircular arc

Answer 1

(2klambda)/R

Question 2

electric field of uniformly charged ring

Answer 2

0

Question 3

field of uniformly charged wire of infinite length

Answer 3

(2k lambda)/r

Question 4

parallel and perpendicular componenets of electric field at a point making alpha and beta angles with ends of the wire

Answer 4

e parallel-= {klambda(cos alpha-cos beta)} /r

Question 5

Electric field of uniformly charged semicircular arc

Answer 5

2 into k into lambda by r

Question 6

Electric field of quarter ring

Answer 6

2 into k into lambda by r) sin phi/2

Question 7

Field on Axis of a charged ring

Answer 7

(K q X )/(“X square + r square” whole to the power of 3/2)

Question 8

Electric field due to uniform spherical shell…inside ,on shell and outside shell

Answer 8

Inside -0
Outside at distance r….kq /r²
At R…KQ/R square

Question 9

Electric field due to uniform sphere

Inside ,at r ,and outside at a distance r’

Question 10

Electric field due to uniformly charged nonconducting infinite sheet

Question 11

Electric potential due to uniformly charged ring

Question 12

Electro potential due to uniform spherical shell

Question 13

Potential due to uniform sphere