Question
Hard
Solving time: 4 mins
At a certain location in Africa, a compass points west of the geographic north. The north tip of the magnetic needle of a dip circle placed in the plane of magnetic meridian points above the horizontal. The horizontal component of the earth's field is measured to be . Specify the direction and magnitude of the earth's field at the location.
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Text solutionVerified
Given, angle of declination
Angle of dip
Horizontal component of earth's magnetic field
Let the magnitude of earth's magnetic field at that place is .
Using the formula,
or
The earth's magnetic field lies in a vertical plane west of geographical meridian at an angle above the horizontal.
Angle of dip
Horizontal component of earth's magnetic field
Let the magnitude of earth's magnetic field at that place is .
Using the formula,
or
The earth's magnetic field lies in a vertical plane west of geographical meridian at an angle above the horizontal.
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Question Text | At a certain location in Africa, a compass points west of the geographic north. The north tip of the magnetic needle of a dip circle placed in the plane of magnetic meridian points above the horizontal. The horizontal component of the earth's field is measured to be . Specify the direction and magnitude of the earth's field at the location. |
Updated On | Aug 28, 2023 |
Topic | Magnetism and Matter |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 193 |
Avg. Video Duration | 8 min |