Two charges 
and 
are placed at 
and 
respectively in an external field 
, where 
. Considering the potential at infinity is 0, the electrostatic energy of the configuration is 
J.
Text Solution
Verified by ExpertsThe correct answer is:
A
The total electrostatic energy 
of a system of two charges 
and 
in an external field is given by
.
Given external electric field 
, the potential 
is found by 
.
Parameters given:
at 
.
at 
.
Distance between charges 
.
.
Calculating individual terms:
.
.
Interaction energy 
.
Total energy 
.
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