Which of the following is the MOST energy efficient way of powering equipment within a datacenter with a large UPS battery bank?

Which of the following is the MOST energy efficient way of powering equipment within a datacenter with a large UPS battery bank?
A . 48V DC
B . 120V single-phase
C . 240VAC 3-phase
D . 480V 3-phase

View Answer

Answer: A