Explanation: In a circuit with both inductors and capacitors, reactive power represents the energy that is stored and then returned to the source by these components, rather than being consumed. Inductors store energy in magnetic fields, while capacitors store energy in electric fields. **Why B is correct:** Reactive power continuously alternates between these magnetic and electric fields. As the capacitor discharges, the inductor charges, and vice-versa, or energy is exchanged with the AC source. This energy is not dissipated but cycles within the circuit, contributing to the current flow without consuming net power. **Why A is incorrect:** Dissipation as heat is characteristic of *real* power, which is consumed by resistive components in a circuit. Reactive power does not generate heat. **Why C is incorrect:** Inductive and capacitive fields *store* energy; they are not mechanisms for dissipation. The energy is stored *in* the fields, not dissipated *as* them. **Why D is incorrect:** Kinetic energy is typically associated with physical motion, which is not the primary form of energy storage or dissipation in passive electronic components like inductors and capacitors.