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Intensity of magnetisation is...

Intensity of magnetisation is

A

Vector

B

Scalar

C

Tensor

D

Dimensionless vector quantity

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The correct Answer is:
A
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Dimensional formula of Intensity of magnetization is

A paramagnetic substance of susceptibility 3 xx10^(-4) is placed in a magnetic field of 3xx 10^(-4)A m^(-1) . . Then , the intensity of magnetisation in units of A m^(-1) is

The magnetic moment produced in a substance of 1 gm is 6xx10^(-7) "ampere","metre"^(2) . If its density is 5 gm//cm^(3) , then the intensity of magnetisation in A//m will be

A solenoid has a core of a material with relative permeability 400 . The windings of the solenoid are insulated from the core and carry a current of 2A . If the number of turns is 1000 per metre, calculate (i) H (ii) B (iii) Intensity of magnetisation I, and the magnetising current.

Assertion: Suceptibility is defined as the ration of intensity of magnetisation I to magnetic intensituy H. Reason: Greater the value of susceptibility smaller the value of intensity of magnetisation I.

A steel bar of cross-sectional area A and length l is magnetised to develop an intensity of magnetisation l . The pole strength of the bar is

The intensity of magnetisation of a magnetic material is l . Now material is the cut such that volume of the material is halved, then new intensity of magnetization is

The following figure shows the variation of intensity of magnetisation I versus the applied magnetic field intensity H, for two magnetic materials A and B Which of the material have a larger susceptibility for a given field at constant temperature?

A bar mangnet has length 3 cm cross sectional area 2 cm^(2) and magnetic moment 3 Am^(2) the intensity of magnetisation of the bar magnet is

The intensity of magnetisation of a bar magnet is 5xx10^(4)A-m^(-1) . The magnetic length and the area of cross section of the magnet are 12cm and 1cm^(-2) respectivley. The magnitude of magnetic moment of this bar magnet (in SI unit) is.

AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -Assignment Section - A Objective Type Questions (One option is correct)
  1. Maxwell's equation oint vecB * d vecs = 0 says

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  2. A permanent magnet attracts

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  3. A toroid has/have

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  4. In the figure here a paramagnetic sphere is located near south pole of...

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  5. In the figure here a diamagnetic sphere is kept near the bar magnet . ...

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  6. Area under this given curve gives

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  7. The materials suitable for making electromagnets should have

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  8. Magnetic dip was measured at various places on earth in one of the fol...

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  9. Two identical short bar magnets at a distance d(1) = 2 m apart are pl...

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  10. In tangent galvanometer generally for more accuracy deflection of galv...

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  11. In tan A position two short bar magnets of magnetic moments in ratio o...

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  12. Two similar magnets of magnetic moments M(1) and M(2) are taken and vi...

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  13. The arms of a deflection magnetometer in tangent B position are placed...

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  14. A deflection magnetometer is adjusted in the usual way . When a magnet...

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  15. An iron nail near a bar magnet experiences

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  16. What is the basic use of hysteresis curve?

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  17. Intensity of magnetisation is

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  18. Dipole moment of earth is order of the

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  19. Which of the following statements is correct ? A. Magnetic field due...

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  20. Variation of mu(r) (relative permeability) with magnetizing field as s...

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