मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

What happens to the angle of dip as we move towards magnetic pole from magnetic equator?

Advertisements
Advertisements

प्रश्न

What happens to the angle of dip as we move towards magnetic pole from magnetic equator?

एका वाक्यात उत्तर
Advertisements

उत्तर

At the magnetic pole value of Φ = 90° and it goes on decreasing when we move towards equator such that at equator value of Φ = 0°.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 12: Magnetism - Exercises [पृष्ठ २२८]

APPEARS IN

बालभारती Physics [English] Standard 11 Maharashtra State Board
पाठ 12 Magnetism
Exercises | Q 3. (iii) | पृष्ठ २२८

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

The horizontal component of the earth’s magnetic field at a place is B and angle of dip is 60°. What is the value of vertical component of earth’s magnetic field at equator?


A magnetic needle, free to rotate in a vertical plane, orients itself vertically at a certain place on the Earth. What are the values of (i) Horizontal component of Earth’s magnetic field and (ii) angle of dip at this place?


Can the earth's magnetic field be vertical at a place? What will happen to a freely suspended magnet at such a place? What is the value of dip here?


To keep valuable instruments away from the earth's magnetic field, they are enclosed in iron boxes. Explain.


The horizontal component of the earth's magnetic field at a place is `1/sqrt(3)` time the vertical component. Determine the angle of dip at that place.


Choose the correct option.

The horizontal and vertical component of magnetic field of Earth are same at someplace on the surface of Earth. The magnetic dip angle at this place will be


Choose the correct option.

A place where the horizontal component of Earth's magnetic field is zero lies at


Answer the following question regarding earth’s magnetism:

A vector needs three quantities for its specification. Name the three independent quantities conventionally used to specify the earth’s magnetic field.


Answer the following question regarding earth’s magnetism:

In which direction would a compass free to move in the vertical plane point to, if located right on the geomagnetic north or south pole?


Answer the following question regarding earth’s magnetism:

Geologists claim that besides the main magnetic N-S poles, there are several local poles on the earth’s surface oriented in different directions. How is such a thing possible at all?


The earth’s magnetic field varies from point to point in space. Does it also change with time? If so, on what time scale does it change appreciably?


The earth’s core is known to contain iron. Yet geologists do not regard this as a source of the earth’s magnetism. Why?


At a certain location in Africa, a compass points 12° west of the geographic north. The north tip of the magnetic needle of a dip circle placed in the plane of magnetic meridian points 60° above the horizontal. The horizontal component of the earth’s field is measured to be 0.16 G. Specify the direction and magnitude of the earth’s field at the location.


A short bar magnet placed in a horizontal plane has its axis aligned along the magnetic north-south direction. Null points are found on the axis of the magnet at 14 cm from the centre of the magnet. The earth’s magnetic field at the place is 0.36 G and the angle of dip is zero. What is the total magnetic field on the normal bisector of the magnet at the same distance as the null point (i.e., 14 cm) from the centre of the magnet? (At null points, field due to a magnet is equal and opposite to the horizontal component of earth’s magnetic field.)


If the inclination is θ, the horizontal component of the earth’s field is HE and the vertical component of the earth’s field is ZE, then tan(θ) is ______.


A long straight horizontal cable carries a current of 2.5 A in the direction 10° south of west to 10° north of east. The magnetic meridian of the place happens to be 10° west of the geographic meridian. The earth’s magnetic field at the location is 0.33 Gauss, and the angle of dip is zero. Locate the line of neutral points. (Ignore the thickness of the cable).


The earth’s magnetic field always has a vertical component except at the ______.

At magnetic poles, the angle of dip is ______.

At the magnetic north pole of the earth, the value of the horizontal component of earth’s magnetic field and angle of dip are respectively.

Which of the following independent quantities is not used to specify the earth’s magnetic field?


The vertical component of earth’s magnetic field at a place is √3 times the horizontal component the value of angle of dip at this place is ______.


At a given place on earth’s surface the horizontal component of earth’s magnetic field is 2 × 103-5 T and resultant magnetic field is 4 × 103-5 T. The angle of dip at this place is ______.


The angle between the magnetic meridian and geographical meridian is called ______


Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator ______.

  1. is always zero.
  2. can be zero at specific points.
  3. can be positive or negative.
  4. is bounded.

Consider the plane S formed by the dipole axis and the axis of earth. Let P be point on the magnetic equator and in S. Let Q be the point of intersection of the geographical and magnetic equators. Obtain the declination and dip angles at P and Q.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×