The Cosmic Microwave Background Radiation Was Emitted When the Universe

question 19

Multiple Choice

The cosmic microwave background radiation was emitted when the universe had a size about 1/1,000 of today's value.What was the temperature of the microwave background radiation at the epoch of recombination?

• A) 30 K
• B) 300 K
• C) 3000 K
• D) 30,000 K
• E) 300,000 K

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Definitions:

Motor Control Centers

A centralized assembly of motor starters or device breakers with the purpose of controlling several motors.

Commercial Installations

Electrical setups designed for business premises, involving more complex requirements and regulations than residential settings.

Mechanically Linked

Refers to the physical connection between components in a manner that allows the motion or force of one component to directly influence another.

Remote Control

A device or system used to operate machinery, appliances, or systems from a distance without physical connections.