Question
Question: The earth’s field departs from its dipole shape substantially at large distance (greater than about ...
The earth’s field departs from its dipole shape substantially at large distance (greater than about 3000 Km). The responsible factor for this distortion is
A
Motion of ions in earth’s ionosphere
B
Motion of ions in earth’s atmosphere
C
Motion of ions in earth’s lithosphere
D
Motion of ions in the space.
Answer
Motion of ions in earth’s ionosphere
Explanation
Solution
: Due to motion of ions in earth’s ionosphere the earth’s magnetic field modified.