PH-1904

Cost of electricity

Physics · Secondary 4 · Medium · Cost of electricity

1. $1.5\,\text{kWh}$
2. $7.5\,\text{kWh}$
3. $10\,\text{kWh}$
4. $15\,\text{kWh}$

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.