46. A small electric dipole is placed at origin with
its dipole moment directed along positive x-axis. The
direction of electric field at point (2,22,0) is
1)
4) 4 x 10
3) 3 x 10-3Nm
1) Along positive x-axis
2) Along positive y-axis
3) Along negative y-axis
4) Along negative x-axis
placed
Answers
Answered by
1
Explanation:
The electric field due to a dipole at any point in space is given by,
E=1/(4πϵ
0
r
3
)(3(
p
.
r
^
)
r
^
−
p
)
r=2
i
^
+2
2
j
^
⇒
r
^
=1/
3
i
^
+
3
2
j
^
E=1/(4πϵ
0
r
3
)(
3
p
r
^
−p
i
^
)
The i component cancels out leaving only the j component.
Answered by
2
Answer:
answer is 2) along positive y-axis
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