12.1 (a) Define heat conduction
12.1 (b) Solve problems related to the rate of heat transfer through a cross-sectional area
12.1 (c) Discuss graphs of temperature-distance, T-x for heat conduction through insulated and non–insulated rods
12.2 (a) Define coefficient of linear, area and volume thermal expansion
12.2 (b) Solve problems related to thermal expansion of linear, area and volume (including expansion of liquid in container)
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