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Magnetism and Electromagnetism

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

reaches zero
remains constant
decreases
increases

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Magnetism and Electromagnetism
A permeable substance is one

which is a good conductor
which is a strong magnet
which is a bad conductor
through which the magnetic lines of force can pass very easily

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Magnetism and Electromagnetism
Reciprocal of permeability is

Permeability
conductance
Reluctivity
Susceptibility

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

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

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Magnetism and Electromagnetism
The induced voltage across a stationary conductor in a stationary magnetic field is

reversed in polarity
zero
increased
decreased

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Magnetism and Electromagnetism
If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density

increases
remains the same
doubles
decreases

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MORE MCQ ON Magnetism and Electromagnetism

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