A hairdryer draws a current of 3.0 A. How many electrons pass through the filament of the hair dryer in a time of thirty seconds?
(1 Point)
90
2.4 x 10^19
5.6 x 10^20
9.9 x 10^18

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.