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Which of the following statements about convection is true? Hot material becomes less dense, flows upward and displaces more-dense cool material. Cool material becomes more dense, flows upward and displaces less-dense hot material. In convection, circulation occurs but is random. Heat is transferred from hot material to cool material without inducing a flow.

Which of the following statements about convection is true? Hot material becomes less dense, flows upward and displaces more-dense cool material. Cool material becomes more dense, flows upward and displaces less-dense hot material. In convection, circulation occurs but is random. Heat is transferred from hot material to cool material without inducing a flow.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Which of the following statements about convection is true? Hot material becomes less dense, flows upward and displaces more-dense cool material. Cool material becomes more dense, flows upward and displaces less-dense hot material. In convection, circulation occurs but is random. Heat is transferred from hot material to cool material without inducing a flow.
Transcribed Image Text:Which of the following statements about convection is true? Hot material becomes less dense, flows upward and displaces more-dense cool material. Cool material becomes more dense, flows upward and displaces less-dense hot material. In convection, circulation occurs but is random. Heat is transferred from hot material to cool material without inducing a flow.
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