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26. The total number of lines of induction crossing any area is known as
A. magnetic induction
B. magnetic flux
C. magnetic field
D. mutual induction
Explanation:
27. The ratio of the flux density to the magnetic field strength in a medium is its
A. intensity of magnetization
B. susceptibility
C. relative permeability
D. permeability
Explanation:
28. A freely suspended magnet will always come to rest in the direction
A. East-North
B. North-West
C. North-South
D. South-West
Explanation:
29. Attractive force exists between
A. two south poles
B. two north poles
C. poles of the same magnet
D. one north pole and one south pole
Explanation:
30. The unit of magnetic flux is
A. weber
B. tesla
C. weber-metre
D. ampere-metre
Explanation:
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