Certain input field devices may have a small leakage current when they are:

A) in the on state.
B) in the off state.
C) examined for an on condition.
D) examined for an off condition.

Input field devices such as switches or sensors may have a small leakage current flowing through them even when they are in the off state. This can cause false readings or other unintended consequences in a circuit. Therefore, it is important to consider this leakage current when designing and testing circuits that use these devices.