Magnetism and Electromagnetism
In a simple magnetic field the strength of magnet flux

increases continuously from initial value to final value
decreases continuously from initial value to final value
is constant and has same value in energy part of the magnetic field
first increases and then decreases till it becomes zero

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Magnetism and Electromagnetism
The magnetic reluctance of a material

Does not vary with increasing cross-sectional area of material
Decreases with increasing cross sectional area of material
Increases with increasing cross-sec-tional area of material
Any of the listed here

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