PH-2442

Power

Physics · Secondary 4 · Hard · Power

1. $1.3 \times 10^4\,\text{W}$
2. $2.1 \times 10^4\,\text{W}$
3. $4.7 \times 10^3\,\text{W}$
4. $2.1 \times 10^3\,\text{W}$

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