Find the susceptibility when the curie constant is 0.2 and the difference in critical temperature and paramagnetic curie temperature is 0.01. a) 2 b) 20 c) 0.02 d) 200

Find the susceptibility when the curie constant is 0.2 and the difference in critical
temperature and paramagnetic curie temperature is 0.01.
a) 2
b) 20
c) 0.02
d) 200
by

1 Answer

Answer :

b) 20
by

Related questions

Very small and positive susceptibility is found in a) Ferromagnetic b) Diamagnetic c) Paramagnetic d) Antiferromagnetic

Description : Very small and positive susceptibility is found in a) Ferromagnetic b) Diamagnetic c) Paramagnetic d) Antiferromagnetic

Last Answer : c) Paramagnetic

The materials having very small susceptibility at all temperatures are a) Antiferromagnetic b) Diamagnetic c) Ferromagnetic d) Paramagnetic

Description : The materials having very small susceptibility at all temperatures are a) Antiferromagnetic b) Diamagnetic c) Ferromagnetic d) Paramagnetic

Last Answer : a) Antiferromagnetic

Curie-Weiss law is used to calculate which one of the following? a) Permittivity b) Permeability c) Electric susceptibility d) Magnetic susceptibility

Description : Curie-Weiss law is used to calculate which one of the following? a) Permittivity b) Permeability c) Electric susceptibility d) Magnetic susceptibility

Last Answer : d) Magnetic susceptibility

Find the curl of the vector and state its nature at (1,1,-0.2) F = 30 i + 2xy j + 5xz 2 k a) √4.01 b) √4.02 c) √4.03 d) √4.04

Description : Find the curl of the vector and state its nature at (1,1,-0.2) F = 30 i + 2xy j + 5xz 2 k a) √4.01 b) √4.02 c) √4.03 d) √4.04

Last Answer : d) √4.04

Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units. a) 200 b) 50 c) 400 d) 0.02

Description : Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units. a) 200 b) 50 c) 400 d) 0.02

Last Answer : a) 200

Find the dielectric constant for a material with electric susceptibility of 4. a) 3 b) 5 c) 8 d) 16

Description : Find the dielectric constant for a material with electric susceptibility of 4. a) 3 b) 5 c) 8 d) 16

Last Answer : b) 5

Find the susceptibility of a material whose dielectric constant is 2.26. a) 1.26 b) 3.26 c) 5.1 d) 1

Description : Find the susceptibility of a material whose dielectric constant is 2.26. a) 1.26 b) 3.26 c) 5.1 d) 1

Last Answer : a) 1.26

The permittivity is also called a) Electrostatic energy b) Dielectric constant c) Dipole moment d) Susceptibility

Description : The permittivity is also called a) Electrostatic energy b) Dielectric constant c) Dipole moment d) Susceptibility

Last Answer : b) Dielectric constant

Calculate the phase constant of a dielectric with frequency 6 x 10 6 in air. a) 2 b) 0.2 c) 0.02 d) 0.002

Description : Calculate the phase constant of a dielectric with frequency 6 x 10 6 in air. a) 2 b) 0.2 c) 0.02 d) 0.002

Last Answer : c) 0.02

Calculate the phase constant of a conductor with attenuation constant given by 0.04 units. a) 0.02 b) 0.08 c) 0.0016 d) 0.04

Description : Calculate the phase constant of a conductor with attenuation constant given by 0.04 units. a) 0.02 b) 0.08 c) 0.0016 d) 0.04

Last Answer : d) 0.04

Calculate the magnetization of a material with susceptibility of 50 and field intensity of 0.25 units. a) 12.5 b) 25 c) 75

Description : Calculate the magnetization of a material with susceptibility of 50 and field intensity of 0.25 units. a) 12.5 b) 25 c) 75 d) 37.5

Last Answer : a) 12.5

The susceptibility of free space is a) 1 b) 0 c) 2 d) ∞

Description : The susceptibility of free space is a) 1 b) 0 c) 2 d) ∞

Last Answer : b) 0

The bound charge density and free charge density are 12 and 6 units respectively. Calculate the susceptibility. a) 1 b) 0 c) 2 d) 72

Description : The bound charge density and free charge density are 12 and 6 units respectively. Calculate the susceptibility. a) 1 b) 0 c) 2 d) 72

Last Answer : c) 2

A magnetic material becomes __________ above the Curie temperature. (A) Ferromagnetic (B) Diamagnetic (C) Paramagnetic (D) None of these

Description : A magnetic material becomes __________ above the Curie temperature. (A) Ferromagnetic (B) Diamagnetic (C) Paramagnetic (D) None of these

Last Answer : (C) Paramagnetic

Nickel as a material of construction (A) Is used as an alloying element for both ferrous & non-ferrous alloys (B) Is paramagnetic below 415° C (its Curie temperature) (C) Diamagnetic (D) Has a body centred cubic (bcc) crystal lattice structure

Description : Nickel as a material of construction (A) Is used as an alloying element for both ferrous & non-ferrous alloys (B) Is paramagnetic below 415° C (its Curie temperature) (C) Diamagnetic (D) Has a body centred cubic (bcc) crystal lattice structure

Last Answer : (A) Is used as an alloying element for both ferrous & non-ferrous alloys

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C. (A) 768 (B) 1127 (C) 1359 (D) 1480

Description : The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C. (A) 768 (B) 1127 (C) 1359 (D) 1480

Last Answer : (B) 1127

Pick out the wrong statement. (A) A ferromagnetic material becomes paramagnetic above the 'Curie temperature' (B) Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials (C) Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces (D) Tungsten steel and alnico are not hard magnetic materials

Description : Pick out the wrong statement. (A) A ferromagnetic material becomes paramagnetic above the 'Curie temperature' (B) Permanent magnets are made of hard materials, whereas electromagnets require soft ... hysterisis loss and coercive forces (D) Tungsten steel and alnico are not hard magnetic materials

Last Answer : Option D

Heating of ferromagnetic materials to a temperature above Curie temperature makes it (A) Insulator for heat & electricity transmission (B) Ferritic (C) Behave like paramagnetic materials (D) Superconductor

Description : Heating of ferromagnetic materials to a temperature above Curie temperature makes it (A) Insulator for heat & electricity transmission (B) Ferritic (C) Behave like paramagnetic materials (D) Superconductor

Last Answer : Option C

Find the magnetization of the material with susceptibility of 6 units and magnetic field intensity of 13 units. a) 2.16 b) 6.2 c) 78 d) 1.3

Description : Find the magnetization of the material with susceptibility of 6 units and magnetic field intensity of 13 units. a) 2.16 b) 6.2 c) 78 d) 1.3

Last Answer : c) 78

Find the permeability of a medium whose susceptibility is 100. a) -100 b) 99 c) -99 d) 101

Description : Find the permeability of a medium whose susceptibility is 100. a) -100 b) 99 c) -99 d) 101

Last Answer : d) 101

In ferromagnetic materials the susceptibility is infinity. State True/False a) True b) False

Description : In ferromagnetic materials the susceptibility is infinity. State True/False a) True b) False

Last Answer : a) True

Calculate the polarisation vector in air when the susceptibility is 5 and electric field is 12 units. a) 3 b) 2 c) 60 d) 2.4

Description : Calculate the polarisation vector in air when the susceptibility is 5 and electric field is 12 units. a) 3 b) 2 c) 60 d) 2.4

Last Answer : c) 60

The magnetic susceptibility in a superconductor will be a) Positive b) Negative c) Zero d) Infinity

Description : The magnetic susceptibility in a superconductor will be a) Positive b) Negative c) Zero d) Infinity

Last Answer : b) Negative

The current flowing through an insulating medium is called a) Conduction b) Convection c) Radiation d) Susceptibility

Description : The current flowing through an insulating medium is called a) Conduction b) Convection c) Radiation d) Susceptibility

Last Answer : b) Convection

Debye is the unit used to measure a) Permittivity b) Electric dipole moment c) Magnetic dipole moment d) Susceptibility

Description : Debye is the unit used to measure a) Permittivity b) Electric dipole moment c) Magnetic dipole moment d) Susceptibility

Last Answer : b) Electric dipole moment

Dipole moments are used to calculate the a) Electric field intensity b) Polarisation patterns c) Strength of the dipole in the field d) Susceptibility

Description : Dipole moments are used to calculate the a) Electric field intensity b) Polarisation patterns c) Strength of the dipole in the field d) Susceptibility

Last Answer : b) Polarisation patterns

The magnetic susceptibility of paramagnetic material is:

Description : The magnetic susceptibility of paramagnetic material is: A) Less than zero B) Less than one but positive C) Greater than one D) Equal to zero

Last Answer : The magnetic susceptibility of paramagnetic material is: Less than one but positive

In which materials the magnetic anisotropy is followed? a) Diamagnetic b) Paramagnetic c) Ferromagnetic d) Ferromagnetic

Description : In which materials the magnetic anisotropy is followed? a) Diamagnetic b) Paramagnetic c) Ferromagnetic d) Ferromagnetic

Last Answer : c) Ferromagnetic

Calculate the conduction density of a material with resistivity of 0.02 units and electric intensity of 12 units. a) 300 b) 600 c) 50 d) 120

Description : Calculate the conduction density of a material with resistivity of 0.02 units and electric intensity of 12 units. a) 300 b) 600 c) 50 d) 120

Last Answer : b) 600

Calculate the dipole moment of a dipole with equal charges 2C and -2C separated by a distance of 2cm. a) 0.02 b) 0.04 c) 0.06 d) 0.08

Description : Calculate the dipole moment of a dipole with equal charges 2C and -2C separated by a distance of 2cm. a) 0.02 b) 0.04 c) 0.06 d) 0.08

Last Answer : b) 0.04

The percentage of fluoride present in dental enamel is (A) 0.01–0.02 (B) 0.05–0.10 (C) 0.15–0.20 (D) 0.20–0.40

Description : The percentage of fluoride present in dental enamel is (A) 0.01–0.02 (B) 0.05–0.10 (C) 0.15–0.20 (D) 0.20–0.40

Last Answer : Answer : A

Which one of the following laws will not contribute to the Maxwell’s equations? a) Gauss law b) Faraday law c) Ampere law d) Curie Weiss law

Description : Which one of the following laws will not contribute to the Maxwell’s equations? a) Gauss law b) Faraday law c) Ampere law d) Curie Weiss law

Last Answer : d) Curie Weiss law

The induced emf in a material opposes the flux producing it. This is a) Faraday law b) Ampere law c) Lenz law d) Curie law

Description : The induced emf in a material opposes the flux producing it. This is a) Faraday law b) Ampere law c) Lenz law d) Curie law

Last Answer : c) Lenz law

The converse of magnetostriction is called the a) Magnetization b) Magnetic anisotropy c) Villari effect d) Curie effect

Description : The converse of magnetostriction is called the a) Magnetization b) Magnetic anisotropy c) Villari effect d) Curie effect

Last Answer : c) Villari effect

The magnetic materials follow which law? a) Faraday’s law b) Ampere law c) Lenz law d) Curie Weiss law

Description : The magnetic materials follow which law? a) Faraday’s law b) Ampere law c) Lenz law d) Curie Weiss law

Last Answer : d) Curie Weiss law

Curie-Weiss law is applicable to which of the following materials? a) Piezoelectric b) Ferroelectric c) Pyroelectric d) Anti-ferroelectric

Description : Curie-Weiss law is applicable to which of the following materials? a) Piezoelectric b) Ferroelectric c) Pyroelectric d) Anti-ferroelectric

Last Answer : b) Ferroelectric

The power of a wave with electric field intensity of 3 units in air is a) 0.01 b) 0.03 c) 0.05 d) 0.07

Description : The power of a wave with electric field intensity of 3 units in air is a) 0.01 b) 0.03 c) 0.05 d) 0.07

Last Answer : a) 0.01

The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm. (A) 0.001 (B) 0.01 (C) 0.002 (D) 0.02

Description : The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm. (A) 0.001 (B) 0.01 (C) 0.002 (D) 0.02

Last Answer : Option C

Find the force on a conductor of length 12m and magnetic flux density 20 units when a current of 0.5A is flowing through it. a) 60 b) 120 c) 180 d) 200

Description : Find the force on a conductor of length 12m and magnetic flux density 20 units when a current of 0.5A is flowing through it. a) 60 b) 120 c) 180 d) 200

Last Answer : b) 120

Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air. a) 11.2 b) 1.12 c) 56.23 d) 5.62

Description : Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air. a) 11.2 b) 1.12 c) 56.23 d) 5.62

Last Answer : a) 11.2

The frequency in rad/sec of a wave with velocity of that of light and phase constant of 20 units is (in GHz) a) 6 b) 60 c) 600 d) 0.6

Description : The frequency in rad/sec of a wave with velocity of that of light and phase constant of 20 units is (in GHz) a) 6 b) 60 c) 600 d) 0.6

Last Answer : a) 6

Find the current density of a material with resistivity 20 units and electric field intensity 2000 units. a) 400 b) 300 c) 200 d) 100

Description : Find the current density of a material with resistivity 20 units and electric field intensity 2000 units. a) 400 b) 300 c) 200 d) 100

Last Answer : d) 100

Safe and adequate daily dietary intake of chromium in adults in mg is (A) 0.01–0.02 (B) 0.02–0.03 (C) 0.03–0.04 (D) 0.05–0.2

Description : Safe and adequate daily dietary intake of chromium in adults in mg is (A) 0.01–0.02 (B) 0.02–0.03 (C) 0.03–0.04 (D) 0.05–0.2

Last Answer : Answer : D

The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2 , the coefficient of compressibility is (A) 0.01 (B) 0.02 (C) 0.05 (D) 0.001

Description : The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2 , the coefficient of compressibility is (A) 0.01 (B) 0.02 (C) 0.05 (D) 0.001

Last Answer : (A) 0.01

If D is the degree of a curve, the percentage reduction of gradient, is (A) 0.01 D (B) 0.02 D (C) 0.03 D (D) 0.04 D

Description : If D is the degree of a curve, the percentage reduction of gradient, is (A) 0.01 D (B) 0.02 D (C) 0.03 D (D) 0.04 D

Last Answer : Answer: Option D

The volume is measured correct to the nearest (A) 0.01 cum (B) 0.02 cum (C) 0.03 cum (D) 0.04 cum

Description : The volume is measured correct to the nearest (A) 0.01 cum (B) 0.02 cum (C) 0.03 cum (D) 0.04 cum

Last Answer : (A) 0.01 cum

The area is measured correct to the nearest (A) 0.01 sqm (B) 0.02 sqm (C) 0.03 sqm (D) 0.04 sqm

Description : The area is measured correct to the nearest (A) 0.01 sqm (B) 0.02 sqm (C) 0.03 sqm (D) 0.04 sqm

Last Answer : (A) 0.01 sqm

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the (A) Critical point (B) Curie temperature (C) Inversion temperature (D) Eutectic temperature

Description : The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the (A) Critical point (B) Curie temperature (C) Inversion temperature (D) Eutectic temperature

Last Answer : (B) Curie temperature

The critical temperature above which the ferromagnetic materials loose their magnetic property is known as (A) hysterisis. (B) Curie point. (C) transition temperature. (D) standard temperature.

Description : The critical temperature above which the ferromagnetic materials loose their magnetic property is known as (A) hysterisis. (B) Curie point. (C) transition temperature. (D) standard temperature.

Last Answer : (B) Curie point

The critical angle for two media of refractive indices of medium 1 and 2 given by 2 and 1 respectively is a) 0 b) 30 c) 45 d) 60

Description : The critical angle for two media of refractive indices of medium 1 and 2 given by 2 and 1 respectively is a) 0 b) 30 c) 45 d) 60

Last Answer : b) 30