PH-1893

Electrical power and energy

Physics · Secondary 4 · Medium · Electrical power and energy

1. $1.2 \times 10^{4}\,\text{J}$
2. $1.2 \times 10^{5}\,\text{J}$
3. $1.2 \times 10^{6}\,\text{J}$
4. $1.2 \times 10^{7}\,\text{J}$

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