Electronic Devices and Circuits
Permalloy is

A nickel an iron alloy having high permeability
A variety of stainless steel
A polymer
A conon-ferrous alloy used in aircraft industry

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Electronic Devices and Circuits
An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased

The number of free electrons and holes increase by the same amount
The number of free electrons increases
The number of free electrons increases but the number of holes decreases
The number of free electrons and holes increase but not by the same amount

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