A feed system (4, 4A) comprising: a feed unit; and two target units (2A, 2B) configured to receive power transmitted by the feed unit, wherein the feed unit includes a power transmission section, the power transmission section including a power transmitting circuit (110A, 110B) that comprises: an LC parallel resonant circuit; and a reactance element (C1s, L1s) electrically connected in series to the LC parallel resonant circuit, wherein the power transmitting circuit (110A, 110B) is configured to transmit power in a noncontact manner; and wherein one of a coil (L1, L1p) and a capacitor (C1, C1p) in the LC parallel resonant circuit and the reactance element (C1s, L1s) define an LC series resonant circuit, the LC parallel resonant circuit and the LC series resonant circuit being configured to perform an LC resonance operation at a first resonance frequency, wherein each of the two target units (2A, 2B) includes a power receiving section including a power receiving circuit that comprises: an LC parallel resonant circuit; and a reactance element (C2s, L2s) electrically connected in series to the LC parallel resonant circuit, wherein the power receiving circuit is configured to receive power as transmitted from the power transmitting circuit (110A, 110B) in a noncontact manner; and wherein one of a coil (L2, L2p) and a capacitor (C2, C2p) in the LC parallel resonant circuit and the reactance element (C2s, L2s) define an LC series resonant circuit, the LC parallel resonant circuit and the LC series element being configured to perform an LC resonance operation at the first resonance frequency, wherein either the reactance element in both of the target units (2A, 2B) is a capacitive element (C1s, C2s) or the reactance element in both of the target units is an inductive element (L1s, L2s). a feed unit; and two target units (2A, 2B) configured to receive power transmitted by the feed unit, wherein the feed unit includes a power transmission section, the power transmission section including a power transmitting circuit (110A, 110B) that comprises: an LC parallel resonant circuit; and a reactance element (C1s, L1s) electrically connected in series to the LC parallel resonant circuit, an LC parallel resonant circuit; and a reactance element (C1s, L1s) electrically connected in series to the LC parallel resonant circuit, wherein the power transmitting circuit (110A, 110B) is configured to transmit power in a noncontact manner; and wherein one of a coil (L1, L1p) and a capacitor (C1, C1p) in the LC parallel resonant circuit and the reactance element (C1s, L1s) define an LC series resonant circuit, the LC parallel resonant circuit and the LC series resonant circuit being configured to perform an LC resonance operation at a first resonance frequency, wherein each of the two target units (2A, 2B) includes a power receiving section including a power receiving circuit that comprises: an LC parallel resonant circuit; and a reactance element (C2s, L2s) electrically connected in series to the LC parallel resonant circuit, an LC parallel resonant circuit; and a reactance element (C2s, L2s) electrically connected in series to the LC parallel resonant circuit, wherein the power receiving circuit is configured to receive power as transmitted from the power transmitting circuit (110A, 110B) in a noncontact manner; and wherein one of a coil (L2, L2p) and a capacitor (C2, C2p) in the LC parallel resonant circuit and the reactance element (C2s, L2s) define an LC series resonant circuit, the LC parallel resonant circuit and the LC series element being configured to perform an LC resonance operation at the first resonance frequency, wherein either the reactance element in both of the target units (2A, 2B) is a capacitive element (C1s, C2s) or the reactance element in both of the target units is an inductive element (L1s, L2s).