1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Curie temperature above which
A
paramagnetic material becomes ferromagnetic material
B
ferromagnetic material becomes diamagnetic material
C
ferromagnetic material becomes paramagnetic material
D
paramagnetic material becomes diamagnetic material
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $$\mu $$ is given by
A
$$qv{R^2}$$
B
$$qv{R^2}/2$$
C
qvR
D
qvR/2
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show
A
anti ferromagnetism
B
no magnetic property
C
diamagnetism
D
paramagnetism.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Curie temperature above which
A
paramagnetic material becomes ferromagnetic material
B
ferromagnetic material becomes diamagnetic material
C
ferromagnetic material becomes paramagnetic material
D
paramagnetic material becomes diamagnetic material
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