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Recent questions tagged magnetic properties of matter
+2
votes
1
answer
Electromagnets are made of soft iron because soft iron has (a) high retentivity and high coercive force
asked
Mar 27, 2019
in
Class 12
by
kratos
cbse
magnetic effects of electric current
magnetic effect of current
class-12
magnetic properties of matter
+2
votes
1
answer
Desirable properties of a radionuclide for imaging include: a. High levels of cross-reactivity with blood proteins
asked
Mar 3, 2019
in
Class 12
by
kratos
food production
neet
strategies for enhancement
strategies for enhancement in food production
class-12
magnetic properties of matter
+2
votes
1
answer
The magnetic intensity H at the centre of a long solenoid carrying a current of 2.0A, is found to be 1500A/m.
asked
Jan 27, 2019
in
Class 12
by
kratos
class-12
magnetic properties of matter
+2
votes
1
answer
The permanent magnetic moment of the atoms of a material is not zero.
asked
Jan 26, 2019
in
Class 12
by
kratos
class-12
magnetic properties of matter
+2
votes
1
answer
A paramagnetic material is kept in a magnetic field. The field is increased till the magnetization
asked
Jan 25, 2019
in
JEE
by
kratos
cbse
magnetic effects of electric current
jee
magnetism and matter
jee mains
magnetism
class-12
magnetic properties of matter
+3
votes
1
answer
The magnetic field inside a long solenoid having 50turns/cm is increased from 2.5 x 10^-3T to 2.5T
asked
Jan 6, 2019
in
Class 12
by
kratos
class-12
magnetic properties of matter
+3
votes
1
answer
A ferromagnetic material is placed in an external magnetic field.
asked
Jan 3, 2019
in
Class 12
by
kratos
class-12
magnetic properties of matter
+1
vote
1
answer
Mark out the correct options. (a) Diamagnetism occurs in all materials.
asked
Jan 1, 2019
in
Class 12
by
kratos
class-12
magnetic properties of matter
+2
votes
1
answer
The susceptibility of a magnetic materials is –4.2 × 10^-6. Name the type of magnetic materials it represents.
asked
Dec 19, 2018
in
JEE
by
kratos
isc
cbse
magnetic effects of electric current
jee
icse
jee mains
magnetism
class-12
magnetic properties of matter
+3
votes
1
answer
Electromagnets are made of soft iron because soft iron has
asked
Dec 11, 2018
in
Class 12
by
kratos
cbse
magnetic effects of electric current
electricity
class-7
icse
magnetism and matter
magnetism
class-12
magnetic properties of matter
+1
vote
1
answer
The desirable properties for making permanent magnets are (a) high retentivity and high coercive force
asked
Nov 21, 2018
in
Class 12
by
kratos
class-12
magnetic properties of matter
+3
votes
1
answer
The magnetic susceptibility is negative for (a) paramagnetic materials only
asked
Nov 20, 2018
in
Class 12
by
kratos
class-12
magnetic properties of matter
+2
votes
1
answer
A long, straight wire carries a current i.
asked
Oct 18, 2018
in
Class 12
by
kratos
class-12
magnetic properties of matter
+1
vote
1
answer
The susceptibility of a magnetic material is 1.9 ×10^–5. Name the type of magnetic materials it represents.
asked
Sep 14, 2018
in
JEE
by
kratos
isc
cbse
magnetic effects of electric current
jee
icse
jee mains
magnetism
class-12
magnetic properties of matter
+1
vote
1
answer
A rod inserted into water looks bent. The cause responsible is—
asked
Sep 1, 2018
in
JEE
by
kratos
electromagnetic induction
irodov
jee
magnetic properties of matter
class-12
class-10
heat transfer
jee mains
capillary effects
kinetic theory of gases
+1
vote
1
answer
The susceptibility of annealed iron at saturation is 5500. Find the permeability of annealed iron at saturation.
asked
Aug 30, 2018
in
Class 12
by
kratos
magnetism
class-12
magnetic properties of matter
magnetic effects of electric current
+1
vote
1
answer
Mn^+x has the magnetic moment is equal to 4.9 Bohr magneton. The value of x is
asked
Aug 20, 2018
in
JEE
by
kratos
jee
matter
moving charges and magnetism
kvpy
jee mains
maxwells equations
magnetism
class-12
quantum mechanics
magnetic properties of matter
+1
vote
1
answer
A rod is inserted as the core in the current-carrying solenoid of the previous problem.
asked
Aug 16, 2018
in
Class 12
by
kratos
electromagnetic induction
class-12
cbse
magnetic properties of matter
+3
votes
1
answer
A magnetising field of 1600 A m^–1 produces a magnetic flux of 2.4 × 10^–5 Wb in an iron bar of cross-sectional area 0.2cm^2.
asked
Aug 13, 2018
in
Class 12
by
kratos
properties of magnetic substances
electromagnetism
magnetism
class-12
magnetic properties of matter
+1
vote
1
answer
The variation of magnetic susceptibility (x) with absolute temperature T for a ferromagnetic material is given by.
asked
Jul 29, 2018
in
Class 12
by
kratos
neet
magnetic effects of electric current
jee
matter
jee mains
electromagnetism
magnetism and matter
magnetism
class-12
magnetic properties of matter
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