Basic Maths and Units and DimensionsHard
Question
A short bar magnet is placed in the magnetic meridian of the earth with north pole pointing north. Neutral points are found at a distance of 30 cm from the magnet on the East - West line, drawn through the middle point of the magnet. The magnetic moment of the magnet in Am2 is close to :
(Given μ0/4π 10-7 in SI units and BH = Horizontal component of earth′s magnetic field = 3.6 × 10-5 Tesla)
(Given μ0/4π 10-7 in SI units and BH = Horizontal component of earth′s magnetic field = 3.6 × 10-5 Tesla)
Options
A.14.6
B.19.4
C.9.7
D.4.9
= 3.6 × 10-5
(0.3)3Topic: Basic Maths and Units and Dimensions·Practice all Basic Maths and Units and Dimensions questions
More Basic Maths and Units and Dimensions Questions
A man of mass 60 kg is standing on a platform of mass 40 kg as shown in figure then what force man should apply on rope ...A uniform thin rod AB of length L has linear mass density μ(x) = a + , where x is measured from A. If the CM of the...Block ′A′ is hanging from a vertical spring and is at rest. Block ′B′ strikes the block ′A...Speeds of two identical cars are u and 4u at the specific instant. The ratio of the respective distances in which the tw...A body of mass m slides down an incline and reaches the bottom with a velocity V. If the same mass were in form of ring ...