Establish the relation between relative permeability and magnetic susceptibility.
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Which of the following was the first country to establish colonies in the American continent?
England was the first country to establish colonies in the American continent.
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“Workers could take over all factories and other resources and establish the workers kingdom” desired by
(D) Karl Marx
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Refractive index of glass relative to water is 9/8. The refractive index of water relative to glass is …………………
Correct option is D) 8/9
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Express the speed of EM waves in terms of permittivity and permeability of the medium.
In a material medium, the speed of EM waves is given by, c = \(\sqrt{\frac{1}{εµ}}\) Where, ε = Permittivity and µ = permeability. These constants depend on the electric and magnetic properties of the...
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If the angle between moving charge and magnetic field is 0, the magnetic force acting on the charge is given by …………….
Correct option is A) qvB
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Define the following magnetic parameters. i. Magnetic axis ii. Magnetic equator iii. Magnetic Meridian
i. Magnetic axis: The Earth is considered to be a huge magnetic dipole. The straight line joining the two poles is called the magnetic axis. ii. Magnetic equator: A great circle in...
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A magnetic dipole has magnetic length 10 cm and pole strength 100 Am. Its magnetic dipole moment is ……… Am^2.
Correct option is: (C) 10
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If A={a,b,c,d}, then on A . (i) write the identity relation `I_(A)` . (ii) write a reflexive relation which is not the identity relation.
Correct Answer - (i) {(a,a),(b,b),(c,c),(d,d)} `" "` {(a,a),(b,b),(c,c),(d,d),(a,c),(b,d)}
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The susceptibility of a magnetic materials is – 4.2×10^–6 . Name the type of magnetic materials it represents.
Susceptibility of material is negative, so given material is diamagnetic.
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How did Macleod, McCarty and Avery establish the Bio-Chemical nature of the so called "genetic material" identified by Griffith in his experiment.
They (worked on the bio-chemical nature of transforming principle in Griffith's experiment) purified proteins DNA and RNA from heat killed S cells, they discovered protein digesting enzyme (protease) RNA digesting enzyme...
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