How many turns does the secondary coil of a step-down transformer have to have, in order to reduce the AC voltage from 120V to 12 V, if the primary coil has 200 turns? If the doorbell you are using with this transformer uses 2 watts of power, how much rms current will you be drawing from the line when you use the doorbell

How many turns does the secondary coil of a step-down transformer have to have, in order to reduce the AC voltage from 120V to 12 V, if the primary coil has 200 turns? If the doorbell you are using with this transformer uses 2 watts of power, how much rms current will you be drawing from the line when you use the doorbell

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 44P: A step-up transformer is designed so that the output of its secondary winding is 2000 V(rms) when...

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