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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

KT4 and KT8
KT3 and 1CT6
1CT3 and 1CT7
10"2 and KT5

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Magnetism and Electromagnetism
Reciprocal of permeability is

Reluctivity
conductance
Susceptibility
Permeability

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Magnetism and Electromagnetism
The relative permeability of materials is not constant.

Paramagnetic
None of the listed here
Diamagnetic
Ferromagnetic

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Magnetism and Electromagnetism
Core of an electromagnet should have

None of the listed here
High susceptibility
Low coercivity
Both low coercivity and high susceptibility

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Magnetism and Electromagnetism
The Biotsavart's law is a general modification of

Faraday's laws
Ampere's law
Lenz's law
Kirchhoff's law

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Magnetism and Electromagnetism
Which of the following materials are diamagnetic?

Silver
Iron
Copper
Silver and copper

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