**Question:**

Two short bar magnets of length $1 \mathrm{~cm}$ each have magnetic moments $1.20 \mathrm{Am}^{2}$ and $1.00 \mathrm{Am}^{2}$ respectively. They are placed on a horizontal table parallel to each other with their $\mathrm{N}$ poles pointing towards the South. They have a common magnetic equator and are separated by a distance of $20.0 \mathrm{~cm}$. The value of the resultand horizontal magnetic induction at the mid-point $\mathrm{O}$ of the line joining their centres is close to (Horizontal component of earth.s magnetic induction is $3.6 \times 10.5 \mathrm{~Wb} / \mathrm{m}^{2}$ )

Correct Option: 2

**Solution:**

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