Two magnetic dipoles X and Y are placed at a separation d, with their axes perpendicular to each other. The dipole moment of Y is twice that of X. A particle of charge q is passing, through their midpoint P, at angle 
with the horizontal line, as shown in figure. What would be the magnitude of force on the particle at that instant? (d is much larger than the dimensions of the dipole)
A
B
0
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2019
And 
Or 
The resultant field is 
from B 1 . The angle between 
and 
zero, so force on the particle is zero.
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