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WorksheetsMagnetic Materials
Total questions: 10
Worksheet time: 18mins
Exchange interaction is observed in (a) materials.
Sketch a graph depicting Curie temperature with all the appropriate labels.
Oxygen gas is an example of a (a) material.
State Curie Law.
In which of the following categories, would superconductors be placed?
Paramagnetic
Ferromagnetic
Diamagnetic
None of these
Hysteresis loop for _____ ferromagnetic material has a larger area than that of _____ ferromagnetic material.
hard, soft
soft, hard
Draw a graph of potential energy v/s angular position of the magnet.
In a hysteresis loop, what do retentivity and coercivity mean? Answer in short.
Soft iron is used to make the core of transformer because of its _____ and _____.
low coercivity, high retentivity
high coercivity, high retentivity
high coercivity, low retentivity
low coercivity, low retentivity
In which of the following cases, would the bar magnet possess the least potential energy?
m and B are antiparallel to each other
m and B are perpendicular to each other
m and B are parallel to each other
