A. Unidirectional
B. Bidirectional
C. Fixed voltage polarity
D. Only (a) and (c)
Correct Answer: Only (a) and (c) ✔
Last Updated: October 20, 2018
A. Unidirectional
B. Bidirectional
C. Fixed voltage polarity
D. Only (a) and (c)
Correct Answer: Only (a) and (c) ✔
Last Updated: October 20, 2018