Physics Questions And Answers :: Magnetic Field: part1



Basic Science : Magnetic Field QUESTIONS AND ANSWERS :: part1 : 21 to 25

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

21.Force between two identical magnets is proportional to

m/d
m2/d
m/d2
m2/d2

22.The direction of magnetic field is the direction along which

a tiny bar magnet moves
an isolated south pole moves
an isolated north pole moves
a unit positive charge moves

23.’µ’ is the symbol for

permittivity
permeability
conductivity
resistivity

24.The relationship between relative permeability of a medium and permeability of free space is

µr = µr  µ0
µ = µ0 µr
µr = µ0 / µ
µ = µ0 / µr

25.The south 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

More Magnetic Field QUESTIONS AND ANSWERS available in next pages

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