Final answer:
Jupiter has the strongest magnetic field in the solar system, creating the largest magnetosphere derived from the motion of metallic hydrogen and its rapid rotation.
Step-by-step explanation:
Yes, Jupiter does have a magnetic field, and it is the strongest in the solar system, resulting in the largest magnetosphere. The creation of Jupiter's magnetic field is likely due to the dynamo effect in its metallic hydrogen interior, where the movement of electrically conductive fluids generates magnetic fields.
The planet's rapid rotation also contributes to the intensification of this field. The tilt of Jupiter's magnetic axis by about 10° compared to its rotation axis causes the phenomenon of charged particles, such as those from the Sun or from volcanic eruptions on its moon Io, to spiral within the magnetosphere, gaining high energies. The interactions here are similar to Earth's Van Allen belts, though Jupiter's magnetosphere is much more vast and powerful.