PH-1931

Electrical power and energy

Physics · Secondary 4 · Medium · Electrical power and energy

1. $9.0\times10^3\,\text{J}$
2. $5.4\times10^4\,\text{J}$
3. $5.4\times10^5\,\text{J}$
4. $3.6\times10^6\,\text{J}$

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