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Materials and Components

Materials and Components
A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.

False
True

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Materials and Components
Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called

Debye temperature
Curie temperature
Neel temperature
Transition temperature

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Materials and Components
Which inductor is used at high frequencies?

Cast iron cored
Iron alloy cored
Ceramic cored
Sheet steel cored

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Materials and Components
A characteristic property of crystal is its periodicity of structure.

False
True

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Materials and Components
Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.

False
True

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Materials and Components
The number of protons in a silicon atom are

12
8
4
14

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