Asked by Anonymous
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, and that of the vacuum cleaner is 5.5 A.
Determine the power consumed by the blow-dryer.
Determine the power consumed by the vacuum cleaner.
Determine the ratio of the energy used by the blow-dryer in 19 minutes to the energy used by the vacuum cleaner in one-half hour.
Ebd / Evc =
the first two parts i got but the last im not sure what to do.
Determine the power consumed by the blow-dryer.
Determine the power consumed by the vacuum cleaner.
Determine the ratio of the energy used by the blow-dryer in 19 minutes to the energy used by the vacuum cleaner in one-half hour.
Ebd / Evc =
the first two parts i got but the last im not sure what to do.
Answers
Answered by
drwls
The energy consumption ratio is the product of the time interval ratio and the power (or current) ratio.
The current ratio is
Pbd/Pvc = 12/5.5
The energy ratio is
Ebd / Evc =
Pbd/Pvc * Tbd/Tvc = (12/5.5)*(19/30)
= 1.382
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