![SOLVED: You have scored 1 out of 5. The AC signal from the mains in the US has an RMS value of 120 V and a frequency of 60 Hz. (a) Calculate SOLVED: You have scored 1 out of 5. The AC signal from the mains in the US has an RMS value of 120 V and a frequency of 60 Hz. (a) Calculate](https://cdn.numerade.com/ask_images/8969b47188d94d9d8fc425ec04f4b15a.jpg)
SOLVED: You have scored 1 out of 5. The AC signal from the mains in the US has an RMS value of 120 V and a frequency of 60 Hz. (a) Calculate
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Why doesn't America standardise on one voltage for domestic use? Surely having two voltages must cause confusion and extra expense for a transformer. - Quora
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