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3 points

An orange painted electrical heater

containing a 0.51 m long, 1.7 cm diameter

electrical heating element is being used to

warm a room. Heat is generated by the

element as a result of electrical resistance,

and the surface of the heating element is

measured to be 166 °C when in steady

operation. In this case, the value for the heat

transfer coefficient, h, was determined to be

14 W m²¹ K-¹.

Determine the rate of heat transfer from the

heating element to the surrounding fluid

(air) when the room temperature is 17 °C

Report your answer in Watts to 2 decimal

places.

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