Ah but the real question, how economical would it be for him to make his electricity, by using a device that requires 40 000 Volts of power at a time ...
Volts is not an amount of power used. Think of volts as being the "pressure" and amps as being the "quantity". You can build a transformer to convert low-voltage, high-amperage power to high-voltage, low-amperage power, and vice versa.
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Ah but the real question, how economical would it be for him to make his electricity, by using a device that requires 40 000 Volts of power at a time ...
Volts is not an amount of power used. Think of volts as being the "pressure" and amps as being the "quantity". You can build a transformer to convert low-voltage, high-amperage power to high-voltage, low-amperage power, and vice versa.