Magnetic Effects of Current and MagnetismMagnetic Susceptibility and Permeability (NEET Physics): Questions 1  5 of 8
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
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 
