Which of the following changes would make a heat engine less efficient?
a. a decrease in its exhaust temperature
b. a decrease in entropy
c. an increase in work done
d. a decrease in its operating temperature
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Ответ:
Ответ:
Power = (voltage) x (current)
90 Watts = (6 volts) x (current)
Divide each side by (6 v):
Current = (90 W) / (6v)
Current = 15 Amperes