Compare the properties of para, dia and ferromagnetic substances.

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Diamagnetic substancesParamagnetic substancesFerromagnetic substancesa)When these materials placed in a magnetic fieid, they are magnetisedfeebly in the opposite direction to the applied external field.a)When these materials placed in a magnetic field, they are magnetised feebly in the direction of the applied magnetic fielda)When these materials placed in a magnetic field, they are magnetised strongly in the direction of the applied external field.b)When a rod of diamagneticmaterial is suspended freely in a uniform magnetic field, it comes to rest in the perpendicular directionto the magnetic field.b)When a rod of paramagnetic material is suspended freely in a uniform magnetic field, it comes to rest in the direction of the applied magnetic field.b)When a rod of ferromagnetic material is suspended freely in a uniform magnetic field, it comes to rest in the direction of the applied magnetic field.c)When they kept in a non-uniform magnetic field, they moves from the region of greater field strength to the region of less field strength.c)When they kept in a non uniform magnetic field, they moves from the region of less field strength to the region of greater field strength.c)When they kept in a non uniform magnetic field, they moves from theregion of lesser field strength to the region of stronger field strength.d)The relative permeability is less than1. μr<1 and positive.d)The relative permeability is greaterthan 1. μr>1and positive.d)The relative permeability is much greater than μr>>1e)The susceptibility (χ) is low and negative.Eg: Copper, Silver, Water, Gold, Antimony, Bismuth, Mercury, Quartz, Diamond, etc.e)The susceptibility(χ) is small and positive.Eg : Aluminium, Tungsten, Platinum, Manganese, liquid oxygen, ferric chloride Cupric chloride, etc e)The susceptibility(χ) is high and positive.Eg: Iron, Cobalt, Nickel, Gadolinium and their alloys

Compare the properties of para, dia and ferromagnetic substances.

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Diamagnetic substances	Paramagnetic substances	Ferromagnetic substances
a)When these materials placed in a magnetic fieid, they are magnetised feebly in the opposite direction to the applied external field.	a)When these materials placed in a magnetic field, they are magnetised feebly in the direction of the applied magnetic field	a)When these materials placed in a magnetic field, they are magnetised strongly in the direction of the applied external field.
b)When a rod of diamagnetic material is suspended freely in a uniform magnetic field, it comes to rest in the perpendicular direction to the magnetic field.	b)When a rod of paramagnetic material is suspended freely in a uniform magnetic field, it comes to rest in the direction of the applied magnetic field.	b)When a rod of ferromagnetic material is suspended freely in a uniform magnetic field, it comes to rest in the direction of the applied magnetic field.
c)When they kept in a non-uniform magnetic field, they moves from the region of greater field strength to the region of less field strength.	c)When they kept in a non uniform magnetic field, they moves from the region of less field strength to the region of greater field strength.	c)When they kept in a non uniform magnetic field, they moves from the region of lesser field strength to the region of stronger field strength.
d)The relative permeability is less than1. $μ_{r} < 1$ and positive.	d)The relative permeability is greater than 1. $μ_{r} > 1$ and positive.	d)The relative permeability is much greater than $μ_{r} >> 1$
e)The susceptibility $(χ)$ is low and negative. Eg: Copper, Silver, Water, Gold, Antimony, Bismuth, Mercury, Quartz, Diamond, etc.	e)The susceptibility $(χ)$ is small and positive. Eg : Aluminium, Tungsten, Platinum, Manganese, liquid oxygen, ferric chloride Cupric chloride, etc	e)The susceptibility $(χ)$ is high and positive. Eg: Iron, Cobalt, Nickel, Gadolinium and their alloys