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Magnetism and Electromagnetism

Magnetism and Electromagnetism
What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2?

91.7 T
91 T
917 T
9.7 T

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Magnetism and Electromagnetism
Ferrites are materials.

None of the listed here
Ferromagnetic
Paramagnetic
Diamagnetic

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Magnetism and Electromagnetism
The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is

proportional to X
proportional to 7
inversely proportional to I
proportional to distance between the conductors

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Magnetism and Electromagnetism
Unit for quantity of electricity is

Ampere
Joule
Ampere-hour
Coulomb

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Magnetism and Electromagnetism
Which of the following type of materials are not very important for engineering applications?

None of the listed here
Paramagnetic material
Ferro magnetic material
Diamagnetic material

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Magnetism and Electromagnetism
Ferrites are a sub-group of

Paramagnetic material
Non-magnetic materials
Ferro magnetic material
Ferri-magnetic material

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MORE MCQ ON Magnetism and Electromagnetism

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