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3 cards from this section. Quick, good the night before a test.
What is conduction?
Think about how heat moves between objects that are touching.
What happens to the temperature of a metal spoon when it is placed in hot water?
Consider what happens to particles in the spoon.
What is the primary mechanism of heat transfer in solids?
Touch a hot object to feel this mechanism in action.
True or False: Conduction can occur through a vacuum.
Consider how heat can transfer between objects that touch.
A metal bar 2 m long is heated at one end to 100°C while the other end is maintained at 20°C. If the thermal conductivity of the metal is 50 W/m·K, calculate the rate of heat transfer through the bar.
Apply Fourier's equation and ensure to consider the dimensions correctly.
Discuss the practical implications of conduction in everyday life. Provide at least three examples where conduction is important.
Think about situations where you experience heat transfer directly or indirectly.
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