3.12 Magnetism Flashcards

1
Q

Typical materials of Ferromagnets are:

A

Iron, Nickel and Cobalt

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2
Q

Typical materials of Paramagnets are:

A

Oxygen, Aluminium and Platinum

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3
Q

Typical materials of Diamagnets are:

A

Copper, Gold and Zinc

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4
Q

Which magnet has the highest resistance?

A

Diamagnets, which is higher than air

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5
Q

Magnetomotive Force total field equation:

A

Total current multiplied by the number of turns

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6
Q

SI unit for Magnetomotive Force

A

Amps

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7
Q

Magnetic field strength equation:

A

Current divided by the length

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8
Q

The stronger the magnetic field, the ……………. the flux density

A

Higher

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9
Q

Magnetic Flux Density equation

A

B=Hxµ

H is the magnetic field strength

μ is permeability

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10
Q

SI unit for magnetic flux density

A

Tesla

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