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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

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

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Magnetism and Electromagnetism
If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage

None of the listed here
Increase
Decrease
Is zero

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Magnetism and Electromagnetism
Magnetism of a magnet can be destroyed by

All of the listed here
Hammering
By inductive action of another magnet
Heating

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Magnetism and Electromagnetism
The materials having low retentivity are suitable for making

Temporary Magnet
None of the listed here
Weak magnet
Permanent magnet

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

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

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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)?

90
270
180
360

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