In ferromagnetic, anti -ferromagnetic and ferrimagnetic materials, the atomic thermal motions counteract...

In ferromagnetic, anti -ferromagnetic and ferrimagnetic materials, the atomic thermal motions counteract the coupling forces between the adjacent atomic dipole moments, thereby causing (a) Some dipole misalignment regardless of whether an external field is present (b) Increase in dipole alignment regardless of whether an external field is present (c) No effect on dipole alignment (d) Atoms tend to de -randomize the direction of moments
by

1 Answer

Answer :

In ferromagnetic, anti -ferromagnetic and ferrimagnetic materials, the atomic thermal motions counteract the coupling forces between the adjacent atomic dipole moments, thereby causing Some dipole misalignment regardless of whether an external field is present

by

Related questions

Ferrites are (A) ferromagnetic material. (B) ferrimagnetic materials. (C) anti ferromagnetic material. (D) diamagnetic materials.

Description : Ferrites are (A) ferromagnetic material. (B) ferrimagnetic materials. (C) anti ferromagnetic material. (D) diamagnetic materials.

Last Answer : (A) ferromagnetic material.

Define ferromagnetic and ferrimagnetic materials.

Description : Define ferromagnetic and ferrimagnetic materials.

Last Answer : Ferromagnetic materials: The materials which possess magnetism in the absence of applied magnetic field is known as ferromagnetic materials. Example: iron, nickel, cobalt Ferrimagnetic ... a spontaneous magnetization. Example: Magnetite, Ferrous ferrite, Nickel ferrite, Manganese ferrite.

(a) What happens when a Ferromagnetic or Ferrimagnetic solid is heated ? (b) The ions of MgO and NaF all have the same number of electrons and intermolecular distance are about the same (235 & 215 pm). Why are the melting points are so different (2642 °C & 992 °C ?

Description : (a) What happens when a Ferromagnetic or Ferrimagnetic solid is heated ?  (b) The ions of MgO and NaF all have the same number of electrons and intermolecular distance are about the same (235 & 215 pm). Why are the melting points are so different (2642 °C & 992 °C ?

Last Answer : (a) It changes into paramagnetic at hight temperature due to randomization of spins.  (b) The ions in MgO carry two unit charges. In NaCl only one unit charge. Hence electrostatic forces of attraction in MgO are stronger.

The magnetic field which destroys the superconductivity is called a) Diamagnetic field b) Ferromagnetic field c) Ferrimagnetic field d) Critical field

Description : The magnetic field which destroys the superconductivity is called a) Diamagnetic field b) Ferromagnetic field c) Ferrimagnetic field d) Critical field

Last Answer : d) Critical field

Which of the following materials is ferrimagnetic? a) Fe b) Sn c) Fe 2 O 3 d) FeCl

Description : Which of the following materials is ferrimagnetic? a) Fe b) Sn c) Fe 2 O 3 d) FeCl

Last Answer : c) Fe 2 O 3

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

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

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

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

Ferromagnetic materials owe their properties to __________ inner subshells. (A) Completely filled (B) Partially filled (C) Equally filled (D) Vacant

Description : Ferromagnetic materials owe their properties to __________ inner subshells. (A) Completely filled (B) Partially filled (C) Equally filled (D) Vacant

Last Answer : Option B

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

The relative permeability is less than unity is case of (a) ferromagnetic materials (b) ferrites (c) non-ferrous materials (d) diamagnetic materials

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

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

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

Ferrites are materials. (a) paramagnetic (b) diamagnetic (c) ferromagnetic (d) none of the above

Description : Ferrites are materials. (a) paramagnetic (b) diamagnetic (c) ferromagnetic (d) none of the above

Last Answer : (c) ferromagnetic

What characteristics do all ferromagnetic materials have in common?

Description : What characteristics do all ferromagnetic materials have in common?

Last Answer : The relative ease with which they are magnetized

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

Define Ferromagnetic materials. Draw B- H Curve.

Description : Define Ferromagnetic materials. Draw B- H Curve.

Last Answer : Ferromagnetic materials: The materials which possess magnetism in the absence of applied magnetic field is known as ferromagnetic materials.

What happens when ferrimagnetic Fe3O4 is heated to 850 K and why?

Description : What happens when ferrimagnetic Fe3O4 is heated to 850 K and why?

Last Answer : Fe3O4 on heating to 850 K becomes paramagnetic. This is due to greater alignment of domains in one direction on heating.

If a ferromagnetic material is heated upto Curie temperature, it becomes

Description : If a ferromagnetic material is heated upto Curie temperature, it becomes (a) Permanent magnet (b) Anti-ferromagnetic material (c) Diamagnetic material (d) Paramagnetic material 

Last Answer : Paramagnetic material

The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in

Description : The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in (a) Heating (b) Small changes in its dimensions (c) Small changes in its crystal structure (d) Some change in its mechanical properties

Last Answer : The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in Small changes in its dimensions 

When the temperature of a ferromagnetic material exceeds the Curie temperature, it behaves similar to a

Description : When the temperature of a ferromagnetic material exceeds the Curie temperature, it behaves similar to a 

Last Answer : When the temperature of a ferromagnetic material exceeds the Curie temperature, it behaves similar to a Diamagnetic material

When a ferromagnetic substance is magnetized, small changes in dimensions occur. Such a phenomenon is

Description : When a ferromagnetic substance is magnetized, small changes in dimensions occur. Such a phenomenon is known as

Last Answer : When a ferromagnetic substance is magnetized, small changes in dimensions occur. Such a phenomenon is known as Magnetostriction.

The relative permeability of a ferromagnetic material is?

Description : The relative permeability of a ferromagnetic material is?

Last Answer : The relative permeability of a ferromagnetic material is more than 100 or 1000.

What can I do to counteract too much sugar in my body?

Description : What can I do to counteract too much sugar in my body?

Last Answer : I would think that eating carby foods like pastas and breads may help that. Drinking a lot of water also might help to flush it out.

Are there any kinds of drinks that can counteract the effect of antibiotics?

Description : Are there any kinds of drinks that can counteract the effect of antibiotics?

Last Answer : Anything with alcohol in it. Depending on the tablet milk can slow the rate of absorption

Has anyone tried any herbal suppliments that counteract anxiety?

Description : Has anyone tried any herbal suppliments that counteract anxiety?

Last Answer : answer:If you have a serious anxiety disorder, herbal supplements probably will not be sufficient. Chamomile tea is calming for mild anxiety situations. There are others: Kava Kava, Valerian and more. ... , you might want to see a naturopath or a credentialed herbalist. Herbs are medications too.

Which popular Sufi Silsilah tried to counteract the liberal religious policy of Akbar? -Do You Know?

Description : Which popular Sufi Silsilah tried to counteract the liberal religious policy of Akbar? -Do You Know?

Last Answer : D) Naqshbandi

What is neutron moderation is used to counteract what?

Description : What is neutron moderation is used to counteract what?

Last Answer : the minimal chance that newly formed neutrons of a fission reaction are absorbed by more atoms. (apex)

What is neutron moderation is used to counteract what?

Description : What is neutron moderation is used to counteract what?

Last Answer : the minimal chance that newly formed neutrons of a fission reaction are absorbed by more atoms. (apex)

How can I counteract nerve pain in my leg?

Description : How can I counteract nerve pain in my leg?

Last Answer : When having nerve pain in your leg, it is first important to see a doctor about the cause of the condition. For treating pain, pain medication and cold compresses are often used to help numb pain.

The purpose of the capacitor within component 'B' of the circuit shown in the illustration is to ____________. EL-0081 A. prolong the life of the component's contacts B. discharge the neon within the envelope C. counteract the inductive reactance in the circuit D. store power to operate the circuit should 'D' open

Description : The purpose of the capacitor within component 'B' of the circuit shown in the illustration is to ____________. EL-0081 A. prolong the life of the component's contacts B. discharge the neon within ... the inductive reactance in the circuit D. store power to operate the circuit should 'D' open

Last Answer : Answer: A

Which popular Sufi Silsilah tried to counteract the liberal religious policy of Akbar?

Description : Which popular Sufi Silsilah tried to counteract the liberal religious policy of Akbar?

Last Answer : Naqshbandi

Auxin antagonists compounds interact with auxins as: a. Counteract b. Increase c. Decrease d. None of the above

Description : Auxin antagonists compounds interact with auxins as: a. Counteract b. Increase c. Decrease d. None of the above

Last Answer : Counteract

Conditioners like finely divided peat are added to the fertiliser to (A) Counteract burning (B) Avoid caking & hardening (C) Produce bulk (D) Increase its solubility

Description : Conditioners like finely divided peat are added to the fertiliser to (A) Counteract burning (B) Avoid caking & hardening (C) Produce bulk (D) Increase its solubility

Last Answer : (B) Avoid caking & hardening

To counteract the bad effects of strain hardening on a cold formed part, it must be (A) Tempered (B) Normalised (C) Annealed (D) Hardened

Description : To counteract the bad effects of strain hardening on a cold formed part, it must be (A) Tempered (B) Normalised (C) Annealed (D) Hardened

Last Answer : Option C

Which of the safeners counteract inhibition of synthesis of very long chain fatty acids in rice by pretilachlor and metolachlor a). Fenclorim b). Benoxacor c). Fluxofenim d). All

Description : Which of the safeners counteract inhibition of synthesis of very long chain fatty acids in rice by pretilachlor and metolachlor a). Fenclorim b). Benoxacor c). Fluxofenim d). All

Last Answer : d). All

Besides NA and R 25788, other safeners to counteract the effect of carbamate herbi cide is a). CGA 43089 b). CGA 92194 c). Mon 4606 d). All of these

Description : Besides NA and R 25788, other safeners to counteract the effect of carbamate herbi cide is a). CGA 43089 b). CGA 92194 c). Mon 4606 d). All of these

Last Answer : d). All of these

A patient treated with capsule oxytetracycline 500 mg 6 hourly complained of epigastric pain. Which of the following measures will you recommend to counteract the side effect: A. Take the capsules with milk B. Take the capsules with meals C. Take aluminium hydroxide gel 15 minutes before the capsules D. None of the above measures is suitable. Change the antibiotic if pain is distressing

Description : A patient treated with capsule oxytetracycline 500 mg 6 hourly complained of epigastric pain. Which of the following measures will you recommend to counteract the side effect: A. Take the capsules ... capsules D. None of the above measures is suitable. Change the antibiotic if pain is distressing

Last Answer : D. None of the above measures is suitable. Change the antibiotic if pain is distressing

The following calcium channel blocker is specifically indicated to counteract cerebral vasospasm and neurological sequelae following subarachnoid haemorrhage: A. Lacidipine B. Nimodipine C. Nicardipine D. Nitrendipine

Description : The following calcium channel blocker is specifically indicated to counteract cerebral vasospasm and neurological sequelae following subarachnoid haemorrhage: A. Lacidipine B. Nimodipine C. Nicardipine D. Nitrendipine

Last Answer : B. Nimodipine

Potassium therapy tends to counteract the cardiac toxicity of digitalis by: A. Reducing the affinity of sarcolemal Na+ K+ATPase for digitalis B. Suppressing ectopic automaticity enhanced by digitalis C. Promoting A-V conduction D. Both 'A' and 'B' are correct

Description : Potassium therapy tends to counteract the cardiac toxicity of digitalis by: A. Reducing the affinity of sarcolemal Na+ K+ATPase for digitalis B. Suppressing ectopic automaticity enhanced by digitalis C. Promoting A-V conduction D. Both 'A' and 'B' are correct

Last Answer : D. Both 'A' and 'B' are correct

Select the progestin preparation for coadministration with estrogen for hormone replacement therapy that does not counteract the beneficial effect of the latter on lipid profile due to lack of androgenic activity: A. Micronized oral progesterone B. Norethindrone C. Lynestrenol D. Medroxyprogesterone acetate (p. 281-282)

Description : Select the progestin preparation for coadministration with estrogen for hormone replacement therapy that does not counteract the beneficial effect of the latter on lipid profile due to lack of ... oral progesterone B. Norethindrone C. Lynestrenol D. Medroxyprogesterone acetate (p. 281-282)

Last Answer : Select the indication for which a progestin is used alone without combining with an estrogen: A. Threatened abortion B. Dysfunctional uterine bleeding C. Hormone replacement therapy D. Premenstrual tension

The distinctive features of desogestrel include the following except: A. It is a prodrug B. It has both strong progestational and strong antiovulatory activities C. It has additional androgenic acitivity D. It does not counteract the beneficial effect of estrogen on lipid profile

Description : The distinctive features of desogestrel include the following except: A. It is a prodrug B. It has both strong progestational and strong antiovulatory activities C. It has additional androgenic acitivity D. It does not counteract the beneficial effect of estrogen on lipid profile

Last Answer : C. It has additional androgenic acitivity

he distinctive features of desogestrel include the following except: A. It is a prodrug B. It has both strong progestational and strong antiovulatory activities C. It has additional androgenic acitivity D. It does not counteract the beneficial effect of estrogen on lipid profile

Description : he distinctive features of desogestrel include the following except: A. It is a prodrug B. It has both strong progestational and strong antiovulatory activities C. It has additional androgenic acitivity D. It does not counteract the beneficial effect of estrogen on lipid profile

Last Answer : C. It has additional androgenic acitivity

The basis for use of β-adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Description : The basis for use of β-adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Last Answer : B. They counteract deleterious effect of sympathetic overactivity on the myocardium

The basis for use of β -adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Description : The basis for use of β -adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Last Answer : B. They counteract deleterious effect of sympathetic overactivity on the myocardium

Any motions to avoid with arthritic hand?

Description : Any motions to avoid with arthritic hand?

Last Answer : I’ll be following this thread, as well. I wish I had something helpful to contribute, but I suffer many of the same complaints, especially low grip strength.

when a quorum is broken can motions be made?

Description : when a quorum is broken can motions be made?

Last Answer : Need Answer

What are different types of motions?

Description : What are different types of motions?

Last Answer : What are different types of motions?