WorksheetsPIS - Unit 3- Magnetic properties of materials - Quiz1
Total questions: 10
Worksheet time: 10mins
Magnetic Induction is defined as
magnetic flux / area
magnetic field / area
area / magnetic flux
area / magnetic field
The unit of magnetic field intensity is
N
N/m
N/Wb
Wb
The orbital angular momentum L is given by
mr
mv
vr
mvr
Diamagnetic material --------------- the magnetic lines of forces
attract
repel
no change
none
In Curie Weiss law, the paramagnetic susceptibility is-----------
equal to C
inversely proportional to temperature
directly proportional to temperature
none
Example for ferromagnetic materials are
Fe
Ni
Co
All the above
For iron, the 3d sub-shell is unfilled with---------
4 unpaired electrons and 2 paired electrons
4 unpaired electrons and 4 paired electrons
2 unpaired electrons and 4 paired electrons
2 unpaired electrons and 2 paired electrons
the ratio r/rd>3, the material is------------
Diamagnetic
Paramagnetic
Ferromagnetic
Antiferromagnetic
