Intensity of magnetic field due to earth at a point inside a hollow steel box is
Intensity of magnetic field due to earth at a point inside a hollow steel box is
- A
Less than outside
- B
More than outside
- C
Same
- D
Zero
Similar Questions
A compass needle of oscillation magnetometer oscillates $20$ times per minute at a place $P$ of dip $30^{\circ}$. The number of oscillations per minute become $10$ at another place $Q$ of $60^{\circ} dip$. The ratio of the total magnetic field at the two places $\left(B_{Q}: B_{p}\right)$ is.
A compass needle of oscillation magnetometer oscillates $20$ times per minute at a place $P$ of dip $30^{\circ}$. The number of oscillations per minute become $10$ at another place $Q$ of $60^{\circ} dip$. The ratio of the total magnetic field at the two places $\left(B_{Q}: B_{p}\right)$ is.
- [JEE MAIN 2022]
The north pole of the earth's magnet is near the geographical
The north pole of the earth's magnet is near the geographical
Ratio between total intensity of magnetic field at equator to poles is
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- [IIT 1970]
The torque on a bar magnet due to the earth's magnetic field is maximum when the axis of the magnet is
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The magnetic field of earth is due to
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