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JEE MAIN 2019
08-04-2019 S2
Question
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 mid-point $P$, at angle $\theta= 45^{\circ}$ 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)
Question Image
Select the correct option:
A
$0$
B
$\sqrt{2}\left(\frac{\mu_0}{4 \pi}\right) \frac{\mathrm{M}}{\left(\frac{\mathrm{d}}{2}\right)^3} \times \mathrm{qv}$
C
$\left(\frac{\mu_0}{4 \pi}\right) \frac{2 M}{\left(\frac{d}{2}\right)^3} \times q v$
D
$\left(\frac{\mu_0}{4 \pi}\right) \frac{M}{\left(\frac{d}{2}\right)^3} \times q v$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Question Tags
JEE Main
Physics
Medium
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