Disclosed in various embodiments are an electronic device, the electronic device comprising: a power control circuit for controlling power supplied to at least one component of the electronic device; at least one submergence recognition circuit including a first pole connected to at least one port of the power control circuit, and a second pole connected to a ground; a processor electrically connected to the power control circuit; and a memory electrically connected to the processor, wherein the memory can be configured, during execution thereof, to store instructions for allowing the processor to: control the power control circuit such that power is supplied to the submergence recognition circuit; sense a current flowing from the submergence recognition circuit to the power control circuit; and determine, on the basis of the sensing result of the current, whether an area in which the submergence recognition circuit is arranged has been submerged.