For domestic tariff, one unit of electrical energy consumption is equal to:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. kilowatt-hour.
For domestic electricity billing, one unit of electrical energy consumption is defined as 1 kilowatt-hour (kWh). This means that if an electrical appliance with a power rating of 1 kilowatt (1000 watts) runs for one hour, it consumes 1 unit of energy. The kilowatt-hour is a standard unit used by electricity boards and utility companies to measure and charge consumers. For example, if you use a 100-watt bulb for 10 hours, it will consume 1 kWh (or 1 unit) of electricity. This unit helps households track and manage their electricity usage effectively and is key in calculating bills.