9 10 a small transformer used for a doorbell steps down the voltage fr
Question
9. (10%) A small transformer used for a doorbell steps down the voltage from 120 V at 0.10 A,(wattage 1) to 12 V, (wattage 2). What is the current flow
to the doorbell, (wattage 2), assuming the transformer is 100% efficient? Recall IinEin=IoutEout.