CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Earth's Magnetic Field

It is commonl...

Question

It is commonly believed that the earth's magnetism is due to the

A

Presence of a huge permanent magnet in the interior of the earth

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Presence of electric current circulating in the interior of the earth

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

Influence of sun's magnetic field

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Influence of a nuclear explosion

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Presence of electric current circulating in the interior of the earth
The Earth's magnetic field is generated by electric currents in the conductive material of its core, created by convection currents due to heat escaping from the core.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion :In very fast-changing fields, the magnetic field does not penetrate completely into the interior of the material. Reason: It takes time for electrons to be in equilibrium due to the application of electric field.

Q. The main advantage of a permanent magnet over an electromagnet is that a permanent magnet does not require a continuous supply of electrical energy to maintain its magnetic field.
State whether the above statement is true or false?

Q. The property of magnetism in the Earth is due to the presence of

Q. Q. Magnetic materials in the crustal portion provide information about the distribution of materials in the interior of earth. Which of the following statements is true regarding the earth’s magnetic field?

Q. Draw the pattern of magnetic field lines through and around a current-carrying wire. Make the direction of (i) electric current in the wire (ii) magnetic field lines.
How would the strength of magnetic field due to current, carrying loop be affected if
(a) radius of the loop is reduced to half its original value?
(b) strength of current through the wire is doubled?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Magnetic Poles of Earth

PHYSICS

Watch in App

explore_more_icon

Explore more

Earth's Magnetic Field

Standard VI Physics

Join BYJU'S Learning Program

CrossIcon