As a Star Forms, the Photosphere First Appears

question 99

Multiple Choice

As a star forms, the photosphere first appears:

• A)when the planetary nebula is expelled.
• B)when the protostar forms.
• C)when contraction slows down.
• D)when nuclear fires ignite.
• E)when the star reaches the main sequence.

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Definitions:

Dielectric Constant

A method of determining the insulation properties of a dielectric using air as a reference.

Rated Value

Rated value indicates the maximum or nominal performance specification for which a device or component is designed, such as voltage, power, or temperature.

HIPOT Test

A type of electrical safety test designed to verify the insulation of electric devices and components by applying high voltage to ensure no breakdown occurs.

Capacitor Tolerance

The permissible variation in capacitance from its nominal value, expressed as a percentage, which defines the range within which the actual capacitance can vary.