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Choose the correct option.A place where the horizontal component of Earth's magnetic field is zero lies at - Physics

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प्रश्न

Choose the correct option.

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

पर्याय

  • geographic equator

  • geomagnetic equator

  • one of the geographic poles

  • one of the geomagnetic poles

MCQ
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उत्तर

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

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

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बालभारती Physics [English] Standard 11 Maharashtra State Board
पाठ 12 Magnetism
Exercises | Q 1. (vi) | पृष्ठ २२८

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

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?


A horizontal straight wire of length L extending from east to west is falling with speed v at right angles to the horizontal component of Earth’s magnetic field B. 

(i) Write the expression for the instantaneous value of the e.m.f. induced in the wire. 

(ii) What is the direction of the e.m.f.?

(iii) Which end of the wire is at the higher potential?


Can the dip at a place be (a) zero (b) 90°?


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.


A charge particle after being accelerated through a potential difference ‘V’ enters in a uniform magnetic field and moves in a circle of radius r. If V is doubled, the radius of the circle will become ______.


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 vertical components of Earth's magnetic field is zero has the angle of dip equal to


Answer the following question in detail.

Define the Angle of Dip.


Solve the following problem.

A magnet makes an angle of 45° with the horizontal in a plane making an angle of 30° with the magnetic meridian. Find the true value of the dip angle at the place.


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:

If you made a map of magnetic field lines at Melbourne in Australia, would the lines seem to go into the ground or come out of the ground?


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?


A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down at 22° with the horizontal. The horizontal component of the earth’s magnetic field at the place is known to be 0.35 G. Determine the magnitude of the earth’s magnetic field at the place.


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).


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 is responsible for the earth’s magnetic field?

Which of the following is responsible for the earth’s magnetic field?


The net magnetic flux through any closed surface, kept in a magnetic field is ______.


The horizontal component of earth’s magnetic field at a place is `sqrt3` times the vertical component. The angle of dip at that place is ______.


The vertical component of earth's magnetic field is zero at a place where angle of dip is


At a place of latitude 5°, angle of dip is nearly


The earth's magnetic field at a certain place has a horizontal component 0.3 gauss and the total strength 0.5 gauss. The angle of dip is ______.


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.


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