TG EAPCET 2025 (Online) 3rd May Morning Shift | Magnetism and Matter Question 3 | Physics

The magnetic field at a point $P$ on the axis of a short bar magnet of magnetic moment $M$ is $B$. If another short bar magnet of magnetic moment 2 M is placed on the first magnet such that their axes are perpendicular and their centres coincide. The resultant magnetic field at the point $P$ due to both the magnets is

$3 B$

$\sqrt{3} B$

$\sqrt{2} B$

$2 B$

TG EAPCET 2025 (Online) 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

If $B_V$ and $B_H$ are respectively the vertical and horizontal components of the Earth's magnetic field at a place where the angle of $\operatorname{dip}$ is $60^{\circ}$, then the total magnetic field at that place is

$\sqrt{3} B_H$

$\sqrt{3} B_v$

$\frac{2}{\sqrt{3}} B_v$

$\frac{\sqrt{3}}{2} B_H$

TG EAPCET 2025 (Online) 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

If the magnetic susceptibility of a substance is 0.6 , then the ratio of permeability of the substance and permeability of free space is

$6: 5$

$7: 4$

$8: 5$

$3: 5$

TG EAPCET 2024 (Online) 11th May Morning Shift

MCQ (Single Correct Answer)

-0

The magnetising field which produces a magnetic flux of $22 \times 10^{-6} \mathrm{~Wb}$ in a metal bar of area of cross-section $2 \times 10^{-5} \mathrm{~m}^{2}$ is (susceptibility of the metal $=699$ )

$2500 \mathrm{Am}^{-1}$

$1250 \mathrm{Am}^{-1}$

$3750 \mathrm{Am}^{-1}$

$5000 \mathrm{Am}^{-1}$

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