Find out the magnitude of electric field intensity and electric potential due to a dipole of dipole moment 
= 
kept at origin at following points
(i) (2, 0, 0)
(ii) (–1, 
, 0)
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i) 
= 
, V = 
(ii) 
= 
, V = 
[where K = 1/4 π ∈ 0 ].
Sol. (i)
Given: ( 
= 
+ 
)
= 
= 2
∴ Electric field at point M: →
= 
= 
= 
× 10 9 × 
= 
Potential at point M:
Vm = 
= 
= 
s
(ii) V = K 
= K. 
∴ V = K. 
= 
.......(i)
& cos θ = 
= 
= 
∴ E = 
= 
. 
= 
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