Which one of the following statements is true for the voltages in a series RL circuit?

• A. The total voltages is equal to the sum of the voltages across the resistance and inductance
• B. The voltage always has the same amplitude and phase for every part of the circuit
• C. The total voltage is less than the sum of the voltages across the resistance and inductance
• D. The total voltage lags the total current by less than 90