Question

in a ground - side switched circuit, when the circuit is off, voltage is present to which point?
a) the switch
b) the load
c) the battery
d) the fuse

Explanation:

In a ground - side switched circuit, when the circuit is off (open - circuit), the power source (battery) still has voltage. The switch is open, so there is no current flow. The load and fuse are not in a conducting path (since the circuit is off). But the battery always has its terminal voltage (unless it's completely dead).

Answer:

C) The battery