The Sun's Spectrum Consists of a Bright Background Crossed by Dark

question 11

Multiple Choice

The sun's spectrum consists of a bright background crossed by dark lines. This suggests that the sun

• A) is a hot object surrounded by a hot atmosphere.
• B) is a hot object surrounded by a cool temperature.
• C) is a cool object surrounded by a hot temperature.
• D) is a cool object surrounded by a cool atmosphere.

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Definitions:

RPM

Revolutions per minute, a unit of rotational speed or angular velocity.

Multispeed Fan Motors

Motors designed to operate at various speeds to control the airflow rate for different cooling or ventilation requirements.

Run Winding

The winding of a split-phase motor that remains energized during operation.

Resistors

Electronic components designed to introduce a specific amount of resistance to an electrical current, used in circuits to manage current flow.