Electric Flux Density Calculator (D Field) with Formula

Electric flux density (D) bridges the gap between electric field intensity and material properties. GATE questions often use this quantity when dealing with dielectrics and Gauss’s law applications.

Electric Flux Density Calculator

EXAMPLE:

INPUTS:

• E = 500 V/m

OUTPUT:

• D = 4.43 nC/m^2

Electric Flux Density Formula

The electric flux density is calculated by multiplying electric field (E) by the permittivity of the medium. The formula is as follows. As mentioned, E is electric field strength (V/m), Epsilon is material’s ability to permit electric fields (F/m) and D measures charge per unit area (C/m^2).

Where,

• D = Flux density in C/m^2
• epsilon = Permittivity in F/m
• E = Electric field in V/m

Summary : The calculator helps students quickly compute flux density and understand how permittivity affects electric fields; crucial for scoring in EM numericals.