slightly more than unity
Description : Paramagnetic materials have relative permeability (a) slightly less than unity (b) equal to unity (c) slightly more than unity (d) equal to that ferromagnetic mate rials
Last Answer : (c) slightly more than unity
Description : What is the relative permeability of a paramagnetic material? -General Knowledge
Last Answer : The answer is 'Greater than unity'
Last Answer : answer:
Description : What is the relative permeability of a paramagnetic material?
Last Answer : Greater than unity
Description : The relative permeability of a paramagnetic substance is (A) unity. (B) slightly more than unity. (C) zero. (D) less than unity.
Last Answer : (B) slightly more than unity.
Description : 1. Which right conferred by the Constitution of India is also available to non-citizens? 2. What is the relative permeability of a paramagnetic material? 3. The United Nations declared 2008 as ... with which countries? 20. The Upanishads were translated into Persian by the orders of which rular?
Last Answer : Answer : 1. Freedom to speech 2. Greater than unity 3. Planet Earth 4. Its speed at which it flows 5. Caste 6. US 7. Hyderabad 8. Right to Education 9. 35 gm 10. Land revenue system 11. ... Sher Shah 16. Exonuclease 17. Second year 18. Increases 19. Lebanon, Syria, Turkey and Jordan 20. Dara Shikoh
Last Answer : The relative permeability of paramagnetic material is greater than unity.
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
Last Answer : The relative permeability is less than unity is case of diamagnetic materials.
Last Answer : it is dimensionless.
Last Answer : Superconducting metal in superconducting state has a relative permeability of zero.
Description : Substances which have permeability less than the permeability of free space are known as (a) ferromagnetic (b) paramagnetic (c) diamagnetic (d) bipolar
Last Answer : (c) diamagnetic
Description : The relative permeability is less than unity is case of (a) ferromagnetic materials (b) ferrites (c) non-ferrous materials (d) diamagnetic materials
Last Answer : (d) diamagnetic materials
Last Answer : The initial permeability of an iron rod is the permeability almost in non-magnetised state.
Last Answer : Reciprocal of permeability is reluctivity.
Last Answer : Diamagnetic
Description : The materials having very small susceptibility at all temperatures are a) Antiferromagnetic b) Diamagnetic c) Ferromagnetic d) Paramagnetic
Last Answer : a) Antiferromagnetic
Description : In which materials the magnetic anisotropy is followed? a) Diamagnetic b) Paramagnetic c) Ferromagnetic d) Ferromagnetic
Last Answer : c) Ferromagnetic
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
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
Description : Ferrites are a sub-group of (a) non-magnetic materials (6) ferro-magnetic materials (c) paramagnetic materials (d) ferri-magnetic materials
Last Answer : (d) ferri-magnetic materials
Description : Ferrites are materials. (a) paramagnetic (b) diamagnetic (c) ferromagnetic (d) none of the above
Last Answer : (c) ferromagnetic
Last Answer : When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon resistance of the coil.
Description : Please ripley me due to emergency
Last Answer : To calculate the flux density in the ring, you need to use the following formula: B = (μ * I * N) / (2 * π * r) where: B is the flux density in the ring (in teslas) μ is the relative permeability ... 2 * π * 0.127 m) = 0.53 T So the flux density in the ring would be approximately 0.53 teslas.
Description : How is the relative permeability of a diamagnetic material?
Last Answer : Less than unity
Description : The permeability of a dielectric material in air medium will be a) Absolute permeability b) Relative permeability c) Product of absolute and relative permeability d) Unity
Last Answer : a) Absolute permeability
Description : The total permeability in a conductor is a) Absolute permeability b) Relative permeability c) Product of absolute and relative permeability d) Unity
Last Answer : c) Product of absolute and relative permeability
Description : Which parameter is unity in air medium? a) Permittivity b) Absolute permeability c) Relative permeability d) Permeability
Last Answer : c) Relative permeability
Description : In free space, which parameter will be unity? a) Permittivity b) Absolute permittivity c) Relative permittivity d) Permeability
Last Answer : c) Relative permittivity
Description : The unit of relative permeability is (a) henry/metre (b) henry (c) henry/sq. m (d) it is dimensionless
Last Answer : (d) it is dimensionless
Description : The ratio of intensity of magnetisation to the magnetisation force is known as (a) flux density (b) susceptibility (c) relative permeability (d) none of the above
Last Answer : (b) susceptibility
Description : Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential
Last Answer : (b) Magnetic field intensity
Description : 08. What does the term bioavailability mean? a) Plasma protein binding degree of substance b) Permeability through the brain-blood barrier c) Fraction of an uncharged drug reaching the systemic ... following any route administration d) Amount of a substance in urine relative to the initial doze
Last Answer : C
Last Answer : The relative permeability is taken as unity for Vacuum.
Description : Relative permeability of vacuum is?
Last Answer : Relative permeability of vacuum is 1.
Description : The relative permeability of a ferromagnetic material is?
Last Answer : The relative permeability of a ferromagnetic material is more than 100 or 1000.
Last Answer : The magnetic materials exhibit the property of magnetisation because of spin of nucleus.
Last Answer : Materials subjected to rapid reversal of magnetism should have high permeability and low hysteresis loss.
Last Answer : The materials having low retentivity are suitable for making temporary magnets.
Last Answer : Effect of moisture on the insulating materials is to decrease dielectric constant, decrease dielectric strength, decrease insulation resistance, increase dielectric loss.
Last Answer : Low resistivity materials are used in transformer, motor and generator windings, transmission and distribution lines, house wiring.
Description : Piezoelectric materials serve as a source of _____ .
Last Answer : Piezoelectric materials serve as a source of ultrasonic waves.
Description : High resistivity materials are used in?
Last Answer : High resistivity materials are used in precision instruments, heating elements, motor starters, incandescent lamps.
Description : Materials that retain a large part of their magnetization, after the magnetizing force is removed, are said to have _____________. A. low hysteresis loss B. high flux density C. high permanence D. high permeability
Last Answer : Answer: C
Description : When placed in a magnetic field, which of the materials listed will maintain the highest permeability? A. Glass B. Bakelite C. Soft iron D. Aluminum
Description : A boundary of separation between two magnetic materials is identified by which factor? a) Change in the permeability b) Change in permittivity c) Change in magnetization d) Conduction
Last Answer : a) Change in the permeability
Description : In isotropic materials, which of the following quantities will be independent of the direction? a) Permittivity b) Permeability c) Polarisation d) Polarizability
Last Answer : a) Permittivity
Description : Materials subjected to rapid reversal of magnetism should have (a) large area oiB-H loop (b) high permeability and low hysteresis loss (c) high co-ercivity and high retentivity (d) high co-ercivity and low density
Last Answer : (b) high permeability and low hysteresis loss
Description : Define magnetic permeability. State and explain the factors affecting permeability of magnetic materials
Last Answer : Permeability : The capability of the magnetic material to conduct the magnetic flux is known as permeability. Permeability and hysteresis loss are inversely related to each other. Factors ... impurities affect the geometric pattern of the crystals and are harmful to the magnetic property.
Description : [Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3- is weakly paramagnetic. Explain. (At. no. Fe = 26) -Chemistry
Last Answer : In both the cases, Fe is in oxidation state +3. Outer electronic configuration of Fe+3 is : In the presence of CN-, the 3d electrons pair up leaving only one unpaired electron. The ... sp3d2 forming an outer orbital complex. As it contains five unpaired electrons so it is strongly paramagnetic. .