Magnetism Question 250
Question: Which of the following is responsible for the earth’s magnetic field?
Options:
A) convective currents in earth’s core.
B) Diversive current in earth’s core.
C) Rotational motion of earth.
D) Translational motion of earth.
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The earth’s core is hot and molten. Hence, convective current in earth’s core is responsible for it’s magnetic field.