A heat conducting rod, 1.60 m long, is made of an aluminumsection, .9 m long, and a copper section, .7 m long. both sectionshave a cross-sectional area of .0004 m2. the aluminumend and the copper end are maintained at temperatures of 30 degreescelcius and 170 degrees celcius, respectively. the thermalconductivity of aluminum and copper are 205 and 385 W/m*K,respectively. the rate at which heat is conducted in the rod isclosest to:
11W
12W
9W
7.9W
10W
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