A short magnetic needle is pivoted in a uniform magnetic field of strength $1 \,T.$  When another magnetic field of strength $\sqrt 3 \,T$ is applied to the needle in a perpendicular direction, the needle deflects through an angle $\theta$, where $\theta$ is....$^o$

  • A

    $30$

  • B

    $45$

  • C

    $90$

  • D

    $60$

Similar Questions

If the dip circle is set at $45^o$ to the magnetic meridian, then the apparent dip is $30^o$. The true dip. of the place is

If a magnet is hanged with its magnetic axis then it stops in

Tell the proper reason for the earth’s magnetic field to occur.

Choose the correct option:

  • [JEE MAIN 2021]

The earth's magnetic field was flipped by $180^{\circ}$ a million years ago. This flip was relatively rapid and took $10^5 \,yrs$. Then, the average change in orientation per year during the flip was closest to ............ $s$

  • [KVPY 2020]