In a certain experiment, cylindrical samples of diameter 4 cm and length 7 cm are used, as shown in Figure 5 below. The two thermocouples in each sample are placed 3 cm apart. After initial transients, the electric heater is observed to draw 0.6 A at 110 V, and both differential thermometers read a temperature difference of 8°C. Determine the thermal conductivity of the sample. Cooling fluid Thermo couple Sample L = 3 cml }A7; 7 cm 4 cm Resistance heater L = 3 cm] }AT, Sample Insulation -Cooling fluid Figure 5

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In a certain experiment, cylindrical samples of diameter 4 cm and length 7 cm are used, as
shown in Figure 5 below. The two thermocouples in each sample are placed 3 cm apart.
After initial transients, the electric heater is observed to draw 0.6 A at 110 V, and both
differential thermometers read a temperature difference of 8°C. Determine the thermal
conductivity of the sample.
Cooling fluid
Thermo couple
Sample
L = 3 cml }AT;
7 cm
4 сm
a
a
Resistance heater
L= 3 cm[ }AT,
Sample
Insulation
-Cooling fluid
Figure 5
Transcribed Image Text:In a certain experiment, cylindrical samples of diameter 4 cm and length 7 cm are used, as shown in Figure 5 below. The two thermocouples in each sample are placed 3 cm apart. After initial transients, the electric heater is observed to draw 0.6 A at 110 V, and both differential thermometers read a temperature difference of 8°C. Determine the thermal conductivity of the sample. Cooling fluid Thermo couple Sample L = 3 cml }AT; 7 cm 4 сm a a Resistance heater L= 3 cm[ }AT, Sample Insulation -Cooling fluid Figure 5
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