PH-1909

Electrical power and energy

Physics · Secondary 4 · Medium · Electrical power and energy

1. $1.8 \times 10^6\,\text{J}$
2. $1.8 \times 10^5\,\text{J}$
3. $7.5 \times 10^4\,\text{J}$
4. $9.0 \times 10^6\,\text{J}$

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