Two long straight wires 
and 
carrying equal current 
each were kept parallel to each other at 
distance. Magnitude of magnetic force experienced by 
length of wire 
is 
. If distance between wires is halved and currents on them are doubled, force 
on 
length of wire 
will be :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
We have
So, 
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