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Magnetic Dip Video Lecture | Physics Class 12 - NEET

157 videos|453 docs|185 tests

FAQs on Magnetic Dip Video Lecture - Physics Class 12 - NEET

1. What is magnetic dip?
Ans. Magnetic dip, also known as magnetic inclination, is the angle made by a magnetic needle, such as a compass, with the horizontal plane at a specific location on Earth. It indicates the tilt of the Earth's magnetic field lines relative to the surface.
2. How is magnetic dip measured?
Ans. Magnetic dip is measured using an instrument called a dip circle or dip meter. The dip circle consists of a horizontal bar with a magnetic needle attached to one end and a graduated arc or circle. By aligning the needle with the Earth's magnetic field and measuring the angle it makes with the horizontal, the magnetic dip can be determined.
3. What factors affect magnetic dip?
Ans. Several factors can influence magnetic dip, including the location on Earth, the latitude, and the geomagnetic activity. Magnetic dip tends to decrease as one moves towards the magnetic poles and increases as one moves towards the equator. Geomagnetic disturbances, such as solar storms, can also temporarily affect magnetic dip.
4. Why is magnetic dip important?
Ans. Magnetic dip is important in various fields, including navigation, geology, and physics. It helps in determining the direction and strength of the Earth's magnetic field at a specific location. It is particularly crucial for accurate compass navigation, as it allows for proper orientation and course plotting.
5. How does magnetic dip vary across the globe?
Ans. Magnetic dip varies across the globe due to the Earth's magnetic field being non-uniform. At the magnetic poles, the dip is nearly 90 degrees, meaning the field lines are pointing directly into the ground. As one moves towards the equator, the dip decreases, reaching its lowest value (0 degrees) at the magnetic equator.
157 videos|453 docs|185 tests
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