Answer:
option D
Step-by-step explanation:
the correct Answer is option D
From the given options Equalize voltage lead acid battery has the highest value.
most of the electric circuits are connected with the ground which means circuit is connected to earth surface. The ground is said to be floating when this connection does not exist.
discharge voltage is the voltage which is at the end of the circuit.
open circuit voltage is the difference between the electric potential between the two terminals.