Question: A circular circuit is powered by a 9 V battery. How will the magnetic field change if the battery is removed and placed in the

A circular circuit is powered by a 9 V battery. How will the magnetic field change if the battery is removed and placed in the opposite direction?
Possible Answers:
None of these
The magnetic field will become zero
The magnetic field will have the same magnitude and direction
The magnetic field will have the same magnitude, albeit in the opposite direction
The magnetic field will double in magnitude and flip directions
A circular circuit is powered by a 9 V battery.

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