Ethan Lee——Works at the United Nations High Commissioner for Refugees (UNHCR), Lives in Geneva, Switzerland.
The basic unit of electricity is the Kilowatt hour (kWh). In simple terms, 1 kWh is the amount of energy used by a 1kW (1000 watt) electric heater for 1 hour. Another example is ten 100-watt light bulbs used for 1 hour.read more >>
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