PH-2065

Electrical power and energy

Physics · Secondary 4 · Medium · Electrical power and energy

1. $2.0 \times 10^{2}\,\text{J}$
2. $7.2 \times 10^{3}\,\text{J}$
3. $4.3 \times 10^{5}\,\text{J}$
4. $4.3 \times 10^{6}\,\text{J}$

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