Which of the following properties describes a direct current system but not an alternating current system?
A.
Electrons are attracted to the positive terminal.
OB.
The current is produced by moving electrons.
C.
The current only flows in a closed circuit.
D.
The current always flows it the same direction.

Which of the following properties describes a direct current system but not an alternating current system?

The current always flows it the same direction.

Explanation:

When current flows in the same direction, it is described to have flow in a direct manner rather than an alternate system

answer; i believe that the correct answer is(d) nondisjunction during meiosis;