1. Civil Engineering
  2. Building Services
  3. DC current flows in one direction, while...
Q.

DC current flows in one direction, while ac current rises from zero to a maximum, then falls to zero in one direction, then rises to a maximum, then falls to zero in the opposite direction.

A. True
B. False
C. none
D. all
Answer» A. True
View all MCQs in:   Building Services

Discussion