At two points at a distance r1 and r2 which makes an angle 30 degree and 60 degree with the dipole, potential is same then, A) r1=r2 B) r2=3^(1/2)r1 C)r1=3^(1/4)r2 D)r1=3r2
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Answered by
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Answer:
At two points at a distance r1 and r2 which makes an angle 30 degree and 60 degree
Answered by
1
Answer:
heey mate your answer is given below
Explanation:
We resolve the electric dipole into horizontal and vertical components as shown in the figure.
Parallel component of electric field E
∥
=
4πϵ
o
r
3
2pcosθ
Perpendicular of electric field E
⊥
=
4πϵ
o
r
3
psinθ
Potential due to dipole V=−∫
E
∥
.
dr
−∫
E
⊥
.
dr
Second term goes to zero as
E
⊥
is perpendicular to
dr
.
Thus potential due to dipole V=−
4πϵ
o
2pcosθ
∫
r
3
dr
Or V=−
4πϵ
o
2pcosθ
×
(−2)r
2
1
⟹ V=
4πϵ
o
r
2
pcosθ
I hope it helps you
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