An electric motor consumes $1.7\,\text{kW}$ of power while running normally. The motor's efficiency is $53\%$. What is the motor’s useful output power?
- A$0.032\,\text{kW}$
- B$0.90\,\text{kW}$
- C$3.2\,\text{kW}$
- D$90\,\text{kW}$
Physics 9702 · AS & A Level · Potential difference and power