1000+ Magnetism & Electromagnetism MCQ Questions & Answers - 1
Question: 1
Which of the following is a vector quantity?
(A) magnetic potential
(B) flux density
(C) magnetic field intensity
(D) relative permeability
Ans: C
magnetic field intensity
Question: 2
The force between two long parallel conductors is inversely proportional to
(A) distance between the conductors
(B) product of current in two conductors
(C) current in one conductor
(D) radius of conductors
Ans: A
distance between the conductors
Question: 3
Substances which have permeability less than the permeability of free space are known as
(A) bipolar
(B) diamagnetic
(C) paramagnetic
(D) ferromagnetic
Ans: B
diamagnetic
Question: 4
Ferrites are a sub group of
(A) ferri-magnetic materials
(B) paramagnetic materials
(C) ferro-magnetic materials
(D) non magnetic materials
Ans: A
ferri-magnetic materials
Question: 5
The magnetism left in the iron after exciting field has been removed is known as
(A) reluctance
(B) susceptance
(C) residual magnetism
(D) permeance
Ans: C
residual magnetism
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