What Happens to the Magnetic Field of a Star That

question 152

Multiple Choice

What happens to the magnetic field of a star that collapses completely to become a black hole?

• A) The magnetic field becomes infinitely intensified.
• B) The magnetic field must be radiated away; black holes never have magnetic fields.
• C) The magnetic field becomes compressed and intensified by a factor equal to the ratio of the star's original diameter to the diameter of the event horizon.
• D) The magnetic field becomes weaker by the ratio of the diameter of the black hole event horizon to the star's original diameter.

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