Engineering, 26.02.2020 05:58, brainlord4209
A cylindrical resistor element on a circuit board dissipates 0.6 W of power. The resistor is 1.5 cm long, and has a diameter of 0.4 cm. Assuming heat to be transferred uniformly from all surfaces, determine
(a) the amount of heat this resistor dissipates during a 24-hour period,
(b) the heat flux, and
(c) the fraction of heat dissipated from the top and bottom surface
Answers: 2
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An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
A cylindrical resistor element on a circuit board dissipates 0.6 W of power. The resistor is 1.5 cm...
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