Physics 5054 · O Level · Power

Power — practice question

A set of solar panels has a combined area of $12\,\text{m}^2$. For every $1.0\,\text{m}^2$ of panel surface, the Sun provides $0.85\,\text{kJ}$ of energy in $1.0\,\text{s}$. The panels operate at $16\%$ efficiency. What power do they generate?

  • A$1.6\,\text{kW}$
  • B$2.2\,\text{kW}$
  • C$64\,\text{kW}$
  • D$160\,\text{kW}$

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