The ratio of intensity of magnetisation to the magnetisation force is known as

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The ratio of intensity of magnetisation to the magnetisation force is known as susceptibility.

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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

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

The magnetic materials exhibit the property of magnetisation because of

Last Answer : The magnetic materials exhibit the property of magnetisation because of spin of nucleus.

Dipoles in any electric field undergo a) Magnetism b) Electromagnetism c) Magnetisation d) Polarisation

Description : Dipoles in any electric field undergo a) Magnetism b) Electromagnetism c) Magnetisation d) Polarisation

Last Answer : d) Polarisation

The method of magnetisation is: (1) hammering a magnet (2) heating a magnet (3) passing direct current through it (4) passing alternating current through it

Description : The method of magnetisation is: (1) hammering a magnet (2) heating a magnet (3) passing direct current through it (4) passing alternating current through it

Last Answer :  hammering a magnet

In the process of magnetisation of a bar (1) The entire bulk of the bar gets magnetised (2) Only the surface of the bar gets magnetised (3) Only the ends of the bar get magnetised (4) Only some parts of the outer layers of the bar get magnetised

Description : In the process of magnetisation of a bar (1) The entire bulk of the bar gets magnetised (2) Only the surface of the bar gets magnetised (3) Only the ends of the bar get magnetised (4) Only some parts of the outer layers of the bar get magnetised

Last Answer : The entire bulk of the bar gets magnetised

The magneto-motive force is

Last Answer : The magneto-motive force is the sum of all currents embraced by one line of magnetic field.

The force between two long parallel conductors is inversely proportional to

Last Answer : The force between two long parallel conductors is inversely proportional to distance between the conductors.

The direction of magnetic lines of force is

Last Answer : The direction of magnetic lines of force is from north pole to south pole.

The magnetism left in the iron after exciting field has been removed is known as

Last Answer : The magnetism left in the iron after exciting field has been removed is known as residual magnetism.

A material which is slightly repelled by a magnetic field is known as

Last Answer : A material which is slightly repelled by a magnetic field is known as diamagnetic material.

If the resistance of a conductor does not vary in accordance with Ohm's law it is known as

Last Answer : If the resistance of a conductor does not vary in accordance with Ohm's law it is known as non-linear conductor

The converse of hardness is known as?

Description : The converse of hardness is known as?

Last Answer : The converse of hardness is known as softness.

The intensity of a magnetic field is defined as the force experienced by which pole? -Do You Know?

Description : The intensity of a magnetic field is defined as the force experienced by which pole? -Do You Know?

Last Answer : answer:

What is the intensity of el. Fields vr 30 Cm and Q 3x10na -6 C. How much force will act on the particle carrying the elementary charge?

Description : The whole question did not fit into my assignment .. I would be grateful if you could help me. What is the intensity of the electric field at a distance of 30 Cm and a point of charge 3x10na -6 C. How much force will act on the particle carrying the elementary charge?

Last Answer : Need Answer

The intensity of a magnetic field is defined as the force experienced by which pole?

Description : The intensity of a magnetic field is defined as the force experienced by which pole?

Last Answer : Unit north pole

Find the electric field intensity of a charge 2.5C with a force of 3N. a) -7.5 b) 7.5 c) 2.5/3 d) 3/2.5

Description : Find the electric field intensity of a charge 2.5C with a force of 3N. a) -7.5 b) 7.5 c) 2.5/3 d) 3/2.5

Last Answer : d) 3/2.5

The electric field intensity is defined as a) Force per unit charge b) Force on a test charge c) Force per unit charge on a test charge d) Product of force and charge

Description : The electric field intensity is defined as a) Force per unit charge b) Force on a test charge c) Force per unit charge on a test charge d) Product of force and charge

Last Answer : c) Force per unit charge on a test charge

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to (A) Shear force (B) Area of the section (C) Distance of the C.G. of the area from its neutral axis (D) Moment of the beam section about its neutral axis

Description : Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to (A) Shear force (B) Area of the section ... . of the area from its neutral axis (D) Moment of the beam section about its neutral axis

Last Answer : Answer: Option D

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if (A) The area is horizontal (B) The area is vertical (C) The area is inclined (D) All of the above

Description : The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if (A) The area is horizontal (B) The area is vertical (C) The area is inclined (D) All of the above

Last Answer : Answer: Option D

When the steel bars are embedded in concrete. The concrete after setting, adheres to the surface of the bars and thus resist any force that tends to pull or push this road. The intensity of this adhesive force is called. (a) Bond stress (b) Shear stress (c) Compressive stress (d) All of these

Description : When the steel bars are embedded in concrete. The concrete after setting, adheres to the surface of the bars and thus resist any force that tends to pull or push this road. The intensity of this adhesive force is called. (a) Bond stress (b) Shear stress (c) Compressive stress (d) All of these

Last Answer : (a) Bond stress

A charge of 2 coulomb is in a field of intensity 2 N/C. The force on charge is: (a) 4 π N (b) 4 N (c) 0 N (d) 1 N

Description : A charge of 2 coulomb is in a field of intensity 2 N/C. The force on charge is: (a) 4 π N (b) 4 N (c) 0 N (d) 1 N

Last Answer : b) 4 N

The force per unit charge is called: (a) Electric field (b) Electric field intensity (c) Electric potential energy (d) Electric potential

Description : The force per unit charge is called: (a) Electric field (b) Electric field intensity (c) Electric potential energy (d) Electric potential

Last Answer : b) Electric field intensity

The number of electric field lines passing through a certain element of area is called: (a) Electric lines of force (b) Electric intensity (c) Electric flux (d) None of these

Description : The number of electric field lines passing through a certain element of area is called: (a) Electric lines of force (b) Electric intensity (c) Electric flux (d) None of these

Last Answer : (c) Electric flux

The intensity ratio of waves is 25:9. What is the ratio of their amplitudes? (1) 50 : 18 (2) 25 : 9 (3) 3 : 5 (4) 5 : 3

Description : The intensity ratio of waves is 25:9. What is the ratio of their amplitudes? (1) 50 : 18 (2) 25 : 9 (3) 3 : 5 (4) 5 : 3

Last Answer : (4) 5 : 3

What is the ratio of the maximum radiation intensity to the average radiation intensity? A. Aperture gain B. Directivity gain C. Transmission gain D. Power gain

Description : What is the ratio of the maximum radiation intensity to the average radiation intensity? A. Aperture gain B. Directivity gain C. Transmission gain D. Power gain

Last Answer : B. Directivity gain

A short column (30 cm × 20 cm) carries a load P1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be (A) 2/3 (B) 3/2 (C) 8/5 (D) 5/8

Description : A short column (30 cm 20 cm) carries a load P1 at 4 cm on one side and another load P2at 8 cm on  the other side along a principal section parallel to longer dimension. If the extreme intensity on  either side is same, the ... to P2 will be  (A) 2/3  (B) 3/2  (C) 8/5  (D) 5/8 

Last Answer : (C) 8/5 

Energy consumption per unit of GDP is called as: a) Energy Ratio b) Energy intensity c) Per capita consumption d) None

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Last Answer : Energy intensity

Which of the following are responsible for the formation of photochemical smog ? 1. Light intensity 2. Ratio of hydrocarbons to nitric oxide 3. CO2 4. Hydrocarbon reactivity 5. SO2 (a) 1, 2, 3, 4 and 5 (b) 1, 2 and 4 only (c) 2, 3 and 4 only (d) 2, 3 and 5 only

Description : Which of the following are responsible for the formation of photochemical smog ? 1. Light intensity 2. Ratio of hydrocarbons to nitric oxide 3. CO2 4. Hydrocarbon reactivity 5. SO2 (a) 1, 2, 3, 4 and 5 (b) 1, 2 and 4 only (c) 2, 3 and 4 only (d) 2, 3 and 5 only

Last Answer : (b) 1, 2 and 4 only

Two sources of sound placed close to each other, are emitting progressive waves given by y1 = 4 sin 600 t and y2 = 5 sin 608 t. An observer located near these two sources of sound will hear: (1) 4 beats per second with intensity ratio 81 : 1 between waxing and waning (2) 4 beats per second with intensity ratio 25 : 16 between waxing and waning (3) 8 beats per second with intensity ratio 25 : 16 between waxing and waning (4) 8 beats per second with intensity ratio 81 : 1 between waxing and waning

Description : Two sources of sound placed close to each other, are emitting progressive waves given by y1 = 4 sin 600 t and y2 = 5 sin 608 t. An observer located near these two sources of sound will ... between waxing and waning (4) 8 beats per second with intensity ratio 81 : 1 between waxing and waning

Last Answer : (1) 4 beats per second with intensity ratio 81 : 1 between waxing and waning

The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? (1) 50 : 18 (2) 25 : 9 (3) 3 : 5 (4) 5 : 3

Description : The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? (1) 50 : 18 (2) 25 : 9 (3) 3 : 5 (4) 5 : 3

Last Answer : 5 : 3

Ferromagnets

Description : Ferromagnets

Last Answer : Ferromagnets Only certain materials, such as iron, cobalt, nickel, and gadolinium, exhibit strong magnetic effects. Such materials are called ferromagnetic, after the Latin word for iron, ... licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

The attraction capacity of electromagnet will increase if the

Last Answer : Atrraction  capacity  will  increase  if  supply  current  is  increased.

Temporary magnets are used in

Last Answer : Temporary magnets are used in loud-speakers,generators, motors.

Main causes of noisy solenoid are

Last Answer : Main causes of noisy solenoid are strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force, uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts.

Core of an electromagnet should have

Last Answer : Core of an electromagnet should have low coercivity, high susceptibility.

Magnetism of a magnet can be destroyed by

Last Answer : Magnetism of a magnet can be destroyed by heating, hammering, by inductive action of another magnet.

The bar magnet has

Last Answer : The bar magnet has the dipole moment.

The stray line of magnetic flux is defined as

Last Answer : The stray line of magnetic flux is defined as a line of magnetic flux which does not follow the designed path.

How does the magnetic compass needle behave in a magnetic field ?

Last Answer : It assures a position which follows a line of magnetic flux

The initial permeability of an iron rod is

Last Answer : The initial permeability of an iron rod is the permeability almost in non-magnetised state.

The magnetic reluctance of a material

Last Answer : The magnetic reluctance of a material decreases with increasing cross-sectional area of the material.

The uniform magnetic field is

Last Answer : The uniform magnetic field is the field in which all lines of magnetic flux are parallel and equidistant.

Magnetic moment is a

Last Answer : Magnetic moment is a vector quantity.

A keeper is used to

Last Answer : A keeper is used to provide a closed path for flux.

A rectangular magnet of magnetic moment M is cut into two piece ...

Description : A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be

Last Answer : A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/2.

The retentivity (a property) of material is useful for the construction of

Last Answer : The retentivity (a property) of material is useful for the construction of permanent magnets.

A permanent magnet

Last Answer : A permanent magnet attracts some substances and repels others.

If a copper disc is rotated rapidly below a freely suspended magnetic...

Description : If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity

Last Answer : If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity less than that of disc and in the same direction.

The commonly used material for shielding or screening magnetism is

Last Answer : The commonly used material for shielding or screening magnetism is soft iron.