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Magnetism and Electromagnetism

Magnetism and Electromagnetism
A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)?

360
180
90
270

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Magnetism and Electromagnetism
One telsa is equal to

1 mWb/m²
1 Wb/m
1 Wb/m²
1 Wb/mm²

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Magnetism and Electromagnetism
Unit for quantity of electricity is

Coulomb
Ampere
Ampere-hour
Joule

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Magnetism and Electromagnetism
The unit for permeability is

At/m
Wb
At/Wb
Wb/At × m

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Magnetism and Electromagnetism
The ratio of intensity of magnetisation to the magnetisation force is known as

Flux density
None of the listed here
Relatice permeability
Susceptibility

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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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