Magnetic Effects of Current and MagnetismMagnetic Susceptibility and Permeability (NEET Physics): Questions 1  5 of 8
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Question number: 1
» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability
Question
For an isotropic medium B, µ _{0}, H and M are related as (where B, μ _{ 0}, H and M have their usual meaning in the context of magnetic material)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability
Question
A magnetizing field of produces a magnetic flux density of 8π Tesla in an iron rod. The relative permeability of the rod will be,
Choices
Choice (4)  Response  

a.  10 ^{2}  
b.  10°  
c.  10 ^{4}  
d.  10 ^{1} 
Question number: 3
» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability
Question
A magnetizing field of 1600 Am ^{1} produces a magnetic flux of 2.4 x 10 ^{5} weber in a bar of iron of area of crosssection 0.2 cm ^{2}. Then,
(1) The magnetic permeability of the bar is 7.5 x 10 ^{4} TA ^{1 } m
(2) The susceptibility of the bar is 596.1
(3) The magnetic permeability of the bar is 4.1 Wbm” ^{2}
(4) The susceptibility of the bar is 496.1
Select the correct answers and mark it according to the following codes:
Choices
Choice (4)  Response  

a.  1 and 3 are correct  
b.  1, 2 and 3 are correct  
c.  2 and 4 are correct  
d.  1 and 2 are correct 
Question number: 4
» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability
Question
Dimensional formula of μ _{0} is
Choices
Choice (4)  Response  

a.  MLT ^{2} A ^{2}  
b.  MLT ^{2} A ^{2}  
c.  MLT ^{2} A ^{2}  
d.  MLT ^{2} A ^{2 } 
Question number: 5
» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability
Assertion (Ꭺ)
The permeability of a ferromagnetic material dependent on the magnetic field.
Reason (Ꭱ)
Permeability of a material is a constant quantity.
Choices
Choice (4)  Response  

a.  Ꭺ is false but Ꭱ is true  
b.  Ꭺ is true but Ꭱ is false  
c.  Both Ꭺ and Ꭱ are false  
d.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ 