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Paige turns on an electric space heater in the center of her bedroom. The coils glow, and the room becomes warmer. How is heat reaching the corners of Paige's bedroom?

A. by conduction and convection
B. by conduction and radiation
C. by radiation and convection
D. by radiation only

Answer :

Final answer:

Heat reaches the corners of Paige's bedroom through conduction, convection, and radiation. The space heater's hot coils warm the surrounding air, leading to air movement and spreading warmth throughout the room. Additionally, radiation allows heat to transfer across space without direct contact.


Explanation:

Understanding Heat Transfer in a Room

When Paige turns on an electric space heater, heat spreads throughout her room using multiple mechanisms. The correct methods through which heat reaches the corners of Paige's bedroom are conduction, convection, and radiation.

Mechanisms of Heat Transfer

  1. Conduction: This is the transfer of heat through materials. In the case of the space heater, the heat from the coils warms the air immediately surrounding them, which then comes into contact with other surfaces in the room, raising their temperature.
  2. Convection: This involves the movement of warm air. As the heater warms the air near it, that air becomes less dense and rises, while cooler air moves in to take its place. This circulation helps distribute heat throughout the room.
  3. Radiation: The heater also emits infrared radiation, which can transfer heat through the empty space in the room without needing a medium. This is similar to how we feel heat from the Sun.

Thus, heat is distributed in Paige's room by conduction as warmth passes through surfaces, convection as warm air moves, and radiation as heat is emitted across space.


Learn more about heat transfer here:

https://brainly.com/question/41507218


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