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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?

917 T
91 T
91.7 T
9.7 T

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Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

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

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Magnetism and Electromagnetism
If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage

increases
reverses polarity
remains unchanged
decreases

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Magnetism and Electromagnetism
What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200?

6
12
8
4

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Magnetism and Electromagnetism
When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage

remains constant
increases
decreases
reaches zero

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Magnetism and Electromagnetism
Ferrites are a sub-group of

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

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MORE MCQ ON Magnetism and Electromagnetism

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