Multiple choice question XVI — task. Science CBSE, Class 10.

PDF chapter test TRY NOW

1. Which of the following is NOT supposed to be the cause of earth’s magnetic field?

Molten charged fluid circulating in the core of the earth
Huge magnet lying in the central part of the earth
Rotation of the earth about its own axis and the existence of ions in the upper parts of earth’s atmosphere
Presence of iron and nickel in the core of the earth

2. Which of the following is the main source of magnetism in a bar magnet?

spinning of electrons
spinning of atoms
polarization of atoms
orbital motion of electrons

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content