Physics, 05.07.2020 14:01 isaiahhuettnerowgg8d

A transformer supplies 60 watts of power to a device that is rated at 20 volts (rms). The primary coil is connected to a 120-volt (rms) ac source. What is the current I1 in the primary coil?

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A transformer supplies 60 watts of power to a device that is rated at 20 volts (rms). The primary co...