Actually they work fine for both AC and DC, its just that DC is the limiting case where the inductive reactance falls to zero and the capacitive reactance rises to infinity.
The other limiting case is infinite frequency (but of course this is not reached in practice, but if it could they work fine too) where the inductive reactance rises to infinity and the capacitive reactance falls to zero.
it works on the principle of induction i.e. on the production of eddy currents in the moving system by the alternating fluxes
Yes, an inductor works with direct current. It is called an electromagnet. Of course, a practical electromagnet has series resistance, otherwise the current in the inductor would increase to the limit of the current/voltage source.
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it works as a short ckt
inductor
Simple answer: Yes. If there's electricity, there is a magnetic field. I'm guessing that you're thinking that alternating current reverses current flow, as opposed to direct current. This isn't quite right. A.C. works by alternately advancing and reversing the movement of charge, basically pumping electricity down a wire. Capacitors store charge. That's all they do until some part of a circuit lets them release it. So a capacitor connected to an a.c. source will just store charge and a magnetic field will certainly be attached.
No, it only works "in the movies".
inductor
inductor
An inductor works by storing energy in the form of a magnetic field when current flows through it. When the current changes, the magnetic field also changes, inducing a voltage in the inductor. This stored energy can then be released back into the circuit when needed.
An inductor works by storing energy in a magnetic field when an electric current flows through it. This magnetic field resists changes in the current, which can be used to control and regulate the flow of electricity in a circuit.
A capacitor alone can not raise the voltage level.Capacitors together with a multivibrator (Or an AC source) and some diodes can do the trick. Works well on higher voltages.Capacitors together with a multivibrator and an inductor would be the preferred method for low voltages. It works well even on voltages as low as 0.8 Volt.Capacitors and diodes are by far the easiest available components.Have a look at the related link down below for more information on how to raise the voltage.