JEE Advanced 2019 Paper 2

Section: Physics

Question : 5 of 54

Marks: +1, -0

An electric dipole with dipole moment ‌‌

√2

(

⋀

)is held fixed at the origin O in the presence of an uniform electric field of magnitude E0.If the potential is constant on a circle of radius R centered at the origin as shown in figure, then the correct statements(s) is/are :
(∈0 permittivity of free space.R >> dipole size)

[JEE Adv 2019 P2]

Total electric field at point B is
→
E
B=0
Total electric field at point A is
→
EA
=√2E0(
⋀
i
+
⋀
j
)
The magnitude of total electric field on any two points of the circle will be same
R=(‌‌
p0
4πE0E0
)
1
3

Validate

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