Physics Questions And Answers :: Magnetic Field: part1



Basic Science : Magnetic Field QUESTIONS AND ANSWERS :: part1 : 26 to 30

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

26.The value of the relative permeability of air is

4π  10-7
0
-1
1

27.The north pole of the earth’s magnetic field

is at the centre of the earth
lies along the equatorial line
lies in the northern hemisphere
lies in the southern hemisphere

28.The dimension of µr is

ML0 T -1
LT -1
HM -1
nil

29.The magnetic axis of a magnet is

perpendicular to the length of the magnet
along the line joining the poles
the direction of zero magnetic flux
a line of zero moment

More Magnetic Field QUESTIONS AND ANSWERS available in next pages

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