Determine whether or not F is a conservative vector field. If it is, find a function f such that 
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Definitions:
Like Polarity
A situation in electrical systems where magnetic or electrical poles of the same kind face each other or are aligned.
Unlike Polarity
Refers to opposite electrical charges or magnetic poles that attract each other.
Electro-Magnets
Devices that create a magnetic field when electric current flows through a coil wrapped around a metal core.
Magnetic Pole Fields
The regions at the two ends of a magnet where the magnetic force is strongest, known as the north and south magnetic poles.
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