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Magnetism and Electromagnetism

Magnetism and Electromagnetism
One telsa is equal to

1 mWb/m²
1 Wb/m
1 Wb/mm²
1 Wb/m²

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Magnetism and Electromagnetism
Fleming's left hand rule is used to find

Direction of force on a current carrying conductor in a magnetic field
Direction of magnetic field due to current carrying conductor
Direction of flux in a solenoid
Polarity of a magnetic pole

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Magnetism and Electromagnetism
Degaussing is the process of

Removal of magnetic impurities
Demagnetising metallic parts
Removing gases from the materials
Remagnetising metallic parts

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Magnetism and Electromagnetism
The unit for permeability is

Wb
Wb/At × m
At/m
At/Wb

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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?

9.7 T
91 T
91.7 T
917 T

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Magnetism and Electromagnetism
Magnetic moment is a

vector quantity
pole strength
scalar quantity
universal constant

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