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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

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

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Magnetism and Electromagnetism
The force between two long parallel conductors is inversely proportional to

Distance between the conductors
Product of current in two conductors
Radius of conductor
Current in one conductor

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Magnetism and Electromagnetism
What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current?

2,400 At
2.4 At
240 At
24 At

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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

Increase
None of the listed here
Decrease
Is zero

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Magnetism and Electromagnetism
The unit for reluctance is

At/Wb
tesla
Wb
At/m

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Magnetism and Electromagnetism
When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle

will depend on the amount of e.m.f. applied
will be zero
will be infinite
will depend on the radius of the circle

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