# You generally need a transformer to operate a doorbell because doorbells are designed to work with..

You generally need a transformer to operate a doorbell because doorbells are designed to work with much smaller voltages than what you typically get from wiring in a house. One particular doorbell needs a potential difference of 16V to work, while the standard outlet voltage (in the United States) is 120V. Part A You have a transformer with 2250 turns in the primary coil. How many turns do you need in the secondary coil to power the doorbell? O AL O 2 ? turns Submit Request Answer Part B This particular doorbell is also designed to draw a current of 2.1 A. Assuming 100% efficiency, what will

»You generally need a transformer to operate a doorbell because doorbells are designed to work with much smaller voltages than what you typically get from wiring in a house. One particular doorbell needs a potential difference of 16V to work, while the standard outlet voltage (in the United States) is 120V. Part A You have a transformer with 2250 turns in the primary coil. How many turns do you need in the secondary coil to power the doorbell? O AL O 2 ? turns Submit Request Answer Part B This particular doorbell is also designed to draw a current of 2.1 A. Assuming 100% efficiency, what will be the current in the primary coil? IVO AED A 0 2 ? Submit Request Answer Part C When connecting this transformer to the doorbell, a man accidentally installs it backwards (so that the primary coil is connected to the doorbell). What is the voltage the doorbell will receive in this case?

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