Isogonic lines on magnetic map will have
Isogonic lines on magnetic map will have
- A
Zero angle of dip
- B
Zero angle of declination
- C
Same angle of declination
- D
Same angle of dip
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Two bar magnets oscillate in a horizontal plane in earth's magnetic field with time periods of $3\,s$ and $4\,s$ respectively. If their moments of inertia are in the ratio of $3: 2$ then the ratio of their magnetic moments will e.
Two bar magnets oscillate in a horizontal plane in earth's magnetic field with time periods of $3\,s$ and $4\,s$ respectively. If their moments of inertia are in the ratio of $3: 2$ then the ratio of their magnetic moments will e.
- [JEE MAIN 2022]
Assertion : The true geographic north direction is found by using a compass needle.
Reason : The magnetic meridian of the earth is along the axis of rotation of the earth.
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Reason : The magnetic meridian of the earth is along the axis of rotation of the earth.
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If magnetic lines of force are drawn by keeping magnet vertical, then number of neutral points will be
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