31. Alternating Current
Power in AC Circuits
3PRACTICE PROBLEM
Consider an electric saw motor where the current lags the voltage by 25°. The motor operates with an rms current of 4.0 A supplied by a power line with an rms voltage of 140 V. What is the power of the motor?
Consider an electric saw motor where the current lags the voltage by 25°. The motor operates with an rms current of 4.0 A supplied by a power line with an rms voltage of 140 V. What is the power of the motor?