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How is a room heated by an electric baseboard heating system?

A. Conduction and convection only
B. Conduction and radiation only
C. Convection and radiation only
D. Conduction, convection, and radiation

Answer :

Final answer:

An electric baseboard heating system uses conduction, convection, and radiation to heat a room. Conduction transfers heat through direct contact, convection circulates warm air, and radiation warms objects directly. Together, these methods work to effectively raise the temperature in a space.


Explanation:

How an Electric Baseboard Heating System Works


An electric baseboard heating system heats a room through three primary methods: conduction, convection, and radiation. Each method plays a crucial role in effectively warming the space.



  1. Conduction: This process involves heat transfer through direct contact. When the electric baseboard heater heats up, it transfers heat to the air and surfaces immediately in contact with it.

  2. Convection: As the air heats up from the warm surface of the baseboard heater, it becomes less dense and rises. This creates a convection current where cooler air moves in to fill the space left by the rising warm air, effectively circulating warm air throughout the room.

  3. Radiation: Although less prominent in baseboard heating, some heat does radiate from the heater’s surface. This form of heat transfer occurs through electromagnetic waves and helps warm objects and people in the room directly.


All three methods can occur simultaneously in an electric baseboard heating system, ensuring efficient heating of the room.


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