The magnetic compass is not useful for navigation near the magnetic poles because
The magnetic compass is not useful for navigation near the magnetic poles because
- A
The magnetic field near the poles is zero
- B
The magnetic field near the poles is almost vertical
- C
At low temperature, the compass needle looses its magnetic properties
- D
Neither of the above
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If a magnet is suspended at an angle $30^o$ to the magnetic meridian, it makes an angle of $45^o$ with the horizontal. The real dip is
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- [AIIMS 2017]
A compass needle will show which one of the following directions at the earth's magnetic pole
A compass needle will show which one of the following directions at the earth's magnetic pole
Magnetic meridian is a
Magnetic meridian is a