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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

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

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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
The uniform magnetic field is

The field of a set of parallel conductors
The field in which all lines of magnetic flux are parallel and equidistant
None of the listed here
The field of a single conductor

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Magnetism and Electromagnetism
What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m?

1111 At/Wb
111 At/Wb
1 At/Wb
11 At/Wb

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Magnetism and Electromagnetism
The most effective and quickest may of making a magnet from soft iron is by

Placing it inside a coil carrying current
Induction
Rubbing with another magnet
The use of permanent magnet

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Magnetism and Electromagnetism
Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be

10 N
0.1 N
0.01 N
100 N

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MORE MCQ ON Magnetism and Electromagnetism

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