Yes. It is the question of how much.
Moisture meters use their conductive properties in order to measure the moisture content of wood.
Source: Delmhorst Co.
This is how it works.
Source: Popular Woodworking.com
According to Moisture Meters.com:
Pin meters are pins that are pushed into wood with a pusher. One pin is pushed into the wood, and current travels to another pin. The resistance to current is measured by the meter. Dry wood allows very little current to pass; damper wood allows more.