An inductor is plugged into a 120V /60Hz wall outlet in the U.S. Would the peak current be larger, smaller, or unchanged if this inductor were plugged into a wall outlet in a country where the voltage is 120V at 50Hz ? Explain.
higher frequency means higher reactance, which means lower current.
Current is larger because inductance XL became less with 50c/s. I 120 / XL
