Magnetism and Electromagnetism
The initial permeability of an iron rod is

The highest permeability of the iron rod
The permeability at the end of the iron rod
The permeability almost in non-magnetised state
The lowest permeability of the iron rod

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Magnetism and Electromagnetism
The left hand rule correlates to

Current, magnetic field and direction of force on a conductor
Current, induced e.m.f. and direction of force on a conductor
Magnetic field, electric field and direction of force on a conductor
Self induction, mutual induction and direction of force on a conductor

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