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प्रश्न
People who made mariner’s compass for the first time.
पर्याय
Indians
Europeans
Chinese
Egyptians
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उत्तर
Chinese
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संबंधित प्रश्न
What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
State four important properties of a bar magnet?
Write the answer in your word.
Write the properties of a magnet.
The real test of a magnet is ______.
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic, north.
Define the following term:
Angle of dip
Differentiate between:
Primary and secondary cell.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
