If a Sunspot Has a Temperature of 4,500 K and the Surrounding

question 61

Multiple Choice

If a sunspot has a temperature of 4,500 K and the surrounding solar surface has a temperature of 5,800 K, how many times brighter is the surface compared to the sunspot

• A)0.28
• B)0.36
• C)2.8
• D)3.6
• E)36

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Definitions:

Electro-Magnets

Electro-magnets are devices that create a magnetic field through the flow of electric current, typically consisting of a wire coil wrapped around a magnetic core, and are used in various applications including motors and relays.

Magnetic Field

An area surrounding a magnetic substance or an electric charge in motion where magnetic forces are experienced.

Three-Phase Motors

Electric motors designed to operate on a three-phase alternating current supply, offering high efficiency and a smooth power delivery for industrial applications.

Degrees Out

A phrase indicating that something is misaligned or out of its proper orientation by a certain angle.