Q28 Single choice Mark for later What is a difference between Single-phase and three-phase power? A Single-phase power is flat but three-phase power is sinusoidal. B Single-phase power is dependent on power factor but three-phase power is not. C Single-phase power is limited to approximately 120 kW but three-phase power is unlimited. D Single-phase power is more costly for the power company to distribute than three-phase power. Correct answer