The earth’s magnetic field, Physics

Assignment Help:

The earth’s magnetic field:

The earth acts as a magnet and the lines of force produced by it follow the pattern shown in the diagram below.

If the Earth were completely symmetrical, the north and south magnetic poles would coincide with the axis of the Earth. The magnetic poles are, in fact, separated from the true poles by about 1000 Miles, the north magnetic pole being in the area 70 - 75 degrees North and roughly 95 degrees West.

51_earth field.png

Since the North pole of a magnet is really a North seeking pole and similarly the South pole is really a South seeking pole it follows that at the Earth's North pole there must be a south seeking magnet and similarly at the Earth's South pole there must be a North seeking magnet. Unfortunately before the significance of the Earth's magnetism was realised, navigators had dropped the word "seeking" leaving the embarrassing statement that there is a magnetic south pole at the North pole and a magnetic North pole at the South pole.


Related Discussions:- The earth’s magnetic field

Can you explain thermistor, Can you explain thermistor? Write short notes o...

Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.

Optical activiy, what is the fresnel''s exlanation of optical activity

what is the fresnel''s exlanation of optical activity

Explain concept of power supply, A string of holiday lights has 25 identica...

A string of holiday lights has 25 identical bulbs linked in series. Every bulb dissipates 1.00 W when the string is linked to a 125-V outlet. a. How much power must be supp

Explain motion of simple pendulum, Motion of simple pendulum. Simple Ha...

Motion of simple pendulum. Simple Harmonic Motion:  It is a type of vibratory motion in which body has an immediate acceleration whose magnitude is directly proportional to the

Optics, A spider is hanging by means of its own silk thread directly above ...

A spider is hanging by means of its own silk thread directly above a transparent fixed sphere of r = 20cm .... the refractive index of material of sphere is root(2).... and height

Draw a free-body diagram for the elevator, Erika is on an elevator and pre...

Erika is on an elevator and presses the button to go down. When the elevator first begins moving, it has an acceleration of 2.5 m/s 2 downward. Erika and the elevator have

Give the applications of moseley''s law, Q. Give the applications of Mosele...

Q. Give the applications of Moseley's law. (i) The elements are organized in the periodic table according to the atomic numbers and not according to the atomic weights. (ii

Thin film, what is main requirements for any thin film process

what is main requirements for any thin film process

Distinguish between metals and semiconductors, (a) Distinguish among metals...

(a) Distinguish among metals, insulators and semiconductors on the basis of their energy bands. (b) Why are photodiodes used preferably in reverse bias condition? A photodiode i

Who female physicist who received the nobel prize in 1963, Name the female ...

Name the female physicist who received the Nobel Prize in 1963 for her discovery concerning the shell structure of the nucleus. Ans: (Maria Goeppert) Mayer was the first fe

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd