Question is ⇒ The core of a solenoid is made of material of relative permeability μr. A small cavity area dA and length dl is cut in the core. If it is desired that flux density in the cavity should be equal to B0, Options are ⇒ (A) the fields inside and outside the cavity must be equal, (B) the field inside the cavity must be made stronger than field outside the cavity, (C) the field inside the cavity must be made weaker than the field outside the cavity, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ The core of a solenoid is made of material of relative permeability μr. A small cavity area dA and length dl is cut in the core. If it is desired that flux density in the cavity should be equal to B0, Options are ⇒ (A) the fields inside and outside the cavity must be equal, (B) the field inside the cavity must be made stronger than field outside the cavity, (C) the field inside the cavity must be made weaker than the field outside the cavity, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The core of a solenoid is made of material of relative permeability μ_r. A small cavity area dA and length dl is cut in the core. If it is desired that flux density in the cavity should be equal to B₀
A.	the fields inside and outside the cavity must be equal [Wrong Answer]
B.	the field inside the cavity must be made stronger than field outside the cavity [Correct Answer]
C.	the field inside the cavity must be made weaker than the field outside the cavity [Wrong Answer]
D.	none of the above [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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