हिंदी

What does the ratio of magnetization to magnetic intensity indicate?

Advertisements
Advertisements

प्रश्न

What does the ratio of magnetization to magnetic intensity indicate? 

एक पंक्ति में उत्तर
Advertisements

उत्तर

The ratio of magnetization to magnetic intensity indicates magnetic susceptibility (χ). 

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: Magnetic materials - Very Short Answer

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

What is Magnetization?


The magnetic moment of a magnet of dimensions 5 cm × 2.5 cm × 1.25 cm is 3 Am2. Calculate the intensity of magnetization.


What is Magnetic intensity?


Give two points to distinguish between a paramagnetic and a diamagnetic substance ?


A long, straight wire carries a current i. The magnetising field intensity H is measured at a point P close to the wire. A long, cylindrical iron rod is brought close to the wire, so that the point P is at the centre of the rod. The value of H at P will ______________ .


The magnetic field inside a long solenoid of 50 turns cm−1 is increased from 2.5 × 10−3 T to 2.5 T when an iron core of cross-sectional area 4 cm2 is inserted into it. Find (a) the current in the solenoid (b) the magnetisation I of the core and (c) the pole strength developed in the core.


The magnetic field B and the magnetic intensity H in a material are found to be 1.6 T and 1000 A m−1, respectively. Calculate the relative permeability µr and the susceptibility χ of the material.


At a certain temperature, a ferromagnetic material becomes paramagnetic. What is this temperature called?


Answer the following question.
Define the term "Intensity" in the photon picture of electromagnetic radiation.


When a plate of magnetic material of size 10 cm × 0.5 cm × 0.2 cm (length, breath, and thickness respectively) is located in a magnetizing field of 0.5 × 104 A/m-1, then a magnetic moment of 0.5 Am2 is induced in it. Find the magnetic induction in the plate.


What is the magnetization of a bar magnet having a length of 6 cm and the area of cross-section 5 cm2?


A magnetic material of susceptibility 3 × 10−4, and magnetic intensity is 4 × 104 Am1. Then The magnetization in the units of Am1 is ______.


The moment of a magnet (15 cm × 2 cm × 1 cm) is 1.2 A-m2. What is its intensity of magnetization?  


Define magnetic intensity.


Explain the magnetization of a material. 


An electron moves in a circular orbit with uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is [µ0 = permeability of free space, e = electronic charge]


The magnetic susceptibility is given by ______


The magnetization of bar magnet of length 5 cm, cross-sectional area 2 cm2 and net magnetic moment 1 Am2 is ______.


A solenoid has core of a material with relative permeability 500 and its windings carry a current of 2 A. The number of turns of the solenoid is 500 per metre. The magnetization of the material is ______.


An iron rod of cross-sectional area 6 sq. cm is placed with its length parallel to a magnetic field of intensity 1200 Alm. The flux through the rod is 60 x 10-4 Wb. The permeability of the rod is ______.


A bar magnet has coercivity 6 x 103 Am-1. It is desired to demagnetise it by inserting it inside a solenoid 10 cm long and having 40 turns. The current that should be sent through the solenoid is ____________.


A magnetizing field of 5000 A/m produces a magnetic flux of 4 x 10-5 Wb in an iron rod of cross-sectional area 0.4 cm2. The permeability of the rod in Wb/A-m, is ______.


Two parallel wires of equal lengths are separated by a distance of 3m from each other. The currents flowing through first and second wire is 3A and 4.5A respectively in opposite directions. The resultant magnetic field at the mid-point of both wire is (µ0 = permeability of free space).


A cylindrical magnetic rod has length 5 cm and diameter 1 cm. It has uniform magnetization `5.3 xx 10^3 "A"/"m"^3`. Its net magnetic dipole moment is nearly `(pi = 22/7)`.


The dimensions of the relative magnetic permeability of the substance are ______.


The magnetic susceptibility of paramagnetic materials is ____________.


The relative magnetic permeability (`mu_"r"`) of a substance is related to its susceptibility (`chi`) as ____________.


A bar magnet having length 5 cm and area of cross-section 4cm2 has magnetic moment 2Am2. If magnetic susceptibility is 5 x 10-6, the magnetic intensity will be ____________.


A particle of charge 'q' and mass 'm' moves in a circular orbit of radius 'r' with angular speed `omega`. The ratio of the magnitude of its magnetic moment to that of its angular momentum is ____________.


The magnetic moment produced in a sample of 2 gram is 8 x 10-7 A/m2. lf its density is 4g/cm3, then the magnetization of the sample is ____________.


Find the intensity of magnetization of a magnet of moment 4 Am2 which weighs 50 gram. (Density of the material of a magnet = 5000 kg/m3)


Magnetic intensity is given by ______.


Magnetic lines of force due to a bar magnet do not intersect because ______.


Demagnetisation of magnets can be done by ______.

Which of the following is not correct about relative magnetic permeability (μ,)?

Among which of the following the magnetic susceptibility does not depend on the temperature?

Magnetic permeability is maximum for ______


What is magnetic susceptibility?


An example of a perfect diamagnet is a superconductor. This implies that when a superconductor is put in a magnetic field of intensity B, the magnetic field B inside the superconductor will be such that ______.


State unit and dimensions of Magnetic susceptibility.


The magnetization of a bar magnet of length 4 cm, cross-sectional area 1 cm2 and magnetic moment 2 SI units is ______.


For a medium of permeability µ, its magnetic susceptibility x is [µ 0 = permeability of vacuum]


The relation between relative permeability (`mu_r`) and magnetic susceptibility (`chi_m`) is:______.


State SI unit of Magnetization.


The magnetic susceptibility of iron is 5499. The relative permeability of iron will be ______.


A solenoid having 400 turns/metre has a core of a material with relative permeability 300. If a current of 0.5 A is passed through it, then the magnetisation of the core material is nearly ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×