The conversation between human and AI assistant.
Why in India we have electric plugs in round shape whereas in other countries it is slit shape?
That's interesting. Do all countries have the same voltage and frequency for their electrical systems?
No, different countries have different voltage and frequency standards for their electrical systems. For example, the United States has a standard voltage of 120V and a frequency of 60Hz, while in India the standard voltage is 230V and the frequency is 50Hz.