The Magnetic Fields of Planets Demonstrate That Rotation Is a Requirement

question 203

Multiple Choice

The magnetic fields of planets demonstrate that rotation is a requirement for an object to produce a magnetic field. It is not surprising, then, that when a massive star collapses the rotation rate

• A) and the magnetic field strength both increase.
• B) increases but the magnetic field strength decreases.
• C) decreases but the magnetic field strength increases.
• D) and the magnetic field strength both decrease.