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Electronic Devices – Inductor

An inductor is a coil of wound on a core. An inductor opposes the sudden variation of current. an inductor stores the energy in the form of current in magnetic field. The coil blocks DC voltage.an inductor allows the Direct current

L=µ o µr A N2/l Henry

l=length of the core,
µ o=permeability of free space,
µr=relative permeability of the core material,
A=area of cross-section of the coil, N=length of the core,

Electronic Devices – Capacitor

A capacitor consists of two conducting plates separated by an insulating medium. It can store electric charges, in the form of voltage in electric field. That blocks direct current. This opposes any sudden change of voltage applied to it. That only allows the Alternating current. That makes the time delay

C=Ԑ _oԐ_rA / d farad A=area of each plate in m²,

d=distance between the plates in meter, Ԑ_r=relative dielectric constant(permittivity).
Ԑ _o=dielectric constant(permittivity)of free space,

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Electronic Devices – Inductor

Electronic Devices – Capacitor