![]() Inductors store energy in a magnetic field. InductorsĬapacitors store energy in an electric field. ![]() Type of Storage Field in Capacitors vs.However, surface mount inductors have become much smaller to fit small devices like cell phones. The smallest inductors tend to be much larger than the smallest capacitors because the coiled wire takes up much more space than the thin layers of the capacitor’s plates. Inductors can be coupled, can have special housing, and can have different core materials within the coil. Common types of capacitors include:Īn inductor is simply a wire, nearly always coiled, with two terminals. ![]() In theory, an air gap can separate the plates, but this design is extremely inefficient due to energy loss. InductorsĬapacitors have two conducting plates that are typically separated by a dielectric material that serves as an insulator. Differences between Capacitors and Inductors An inductor stores energy in a magnetic field, which preserves current across the circuit. Like capacitors, inductors are electrical components used in a circuit to impede changes in the current or filter out certain frequencies. Capacitors use an electrical field to store energy. Unlike a resistor that dissipates current, however, a capacitor stores energy in order to preserve the voltage in the circuit. Capacitors are electrical components, similar to resistors and inductors, that impede the current in a circuit.
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