Question: Could you explain this please? An object generates thermal energy under steady conditions, resulting in it being at a higher temperature than its surroundings. It

Could you explain this please?

An object generates thermal energy under steady conditions, resulting in it being at a higher temperature than its surroundings. It has a large thermal conductivity and small convective heat transfer coefficient. Once the object's power is turned off, which temperature profile best represents the mean temperature of the object over time? Assume properties constant over temperature range

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