Which of the following is NOT a requirement for a planetary magnetic field?
A) Rapid rotation
B) Solid iron core
C) Convective motions
D) Electrically conducting liquid in the core

Question

Quizplus · Accepted Answer

A solid iron core is not necessary for a planetary magnetic field. In fact, some planets such as Jupiter have liquid metallic hydrogen cores that generate their magnetic fields. Rapid rotation, convective motions, and electrically conducting liquid in the core are all necessary for a planetary magnetic field.

Which of the Following Is NOT a Requirement for a Planetary