1000+ Electromagnetic Field Theory MCQ Questions and Answers Pdf - 1
Question: 1
Electric field strength of charge
(A) increase square distance
(B) increase distance
(C) decrease with distance
(D) decrease with square distance
Ans: D
decrease with square distance
Question: 2
A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity
(A) less than that of disc but in opposite direction
(B) less than that of disc and in the same direction
(C) equal to that of disc and in the same direction
(D) equal to that of disc and in the opposite direction
Ans: B
less than that of disc and in the same direction
Question: 3
The tubes of force within the magnetic material is known as
(A) magnetic flux
(B) tubes of indication
(C) lines of force
(D) none of these
Ans: A
magnetic flux
Question: 4
Which of this statement is not characteristic of a static magnetic field
(A) magnetic flux lines are always closed
(B) it has no sink or sources
(C) it is solenoidal
(D) it is conservative
Ans: D
it is conservative
Question: 5
Cork Screw rule is used to find
(A) direction of emf
(B) direction of electric field
(C) direction of magnetic field
(D) direction of current
Ans: D
direction of current
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