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प्रश्न
Define the following term:
Geographic meridian
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उत्तर
Geographic Meridian: It is the vertical plane containing the geographic north and south poles of the earth and passing through the given place on the surface of earth.
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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.
What is the magnetic induction? Explain with the help of a diagram.
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
Define the following term regarding a bar magnet:
Effective length
Fill in the blank.
The perpendicular bisector of the line joining the two poles of a magnet is called ...................
Distinguish between the two methods of making artificial magnets.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Explain the following:
Resistance of a conductor
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
