A plane electromagnetic wave in a non-magnetic dielectric medium is given by `vecE = vecE_(0)(4 xx 10^(-7) x - 50 t)` with distance being in meter and time in seconds. The dielectric constant of the medium is :

A plane electromagnetic wave propagating in a non-magnetic dielectric medium is given by E=E_(0)[4 times 10^(-7)x-50t] , where x is in metre and t is in second. If the relative permeability of the medium, mu_(r)=1 then the dielectric constant of the medium is

The velocity of electromagnetic waves in a dielectric medium (in_(r)=4) is

The velocity of electromagnetic waves in a dielectric medium (in_(r)=4) is

Electri field of a plane electromagnetic wave propagating through a non - magnetic medium is given by E = 20 cos (2 xx 10^10t - 200x) V//m . The dielectric constant of the medium is equal to : (Take mu_r =- 1 )

Electri field of a plane electromagnetic wave propagating through a non - magnetic medium is given by E = 20 cos (2 xx 10^10t - 200x) V//m . The dielectric constant of the medium is equal to : (Take mu_r =1 )

The velocity of electromagnetic waves in a dielectric medium (in_(r )= 4, mu_(r ) =4) is -

An electromagnetic wave of v=3 MHz passes from vacuum into dielectric medium with epsi= 4 epsi_0 . then

The permittivity of medium is 26.55 xx10^-12 C^2//Nm^2 . The dielectric constant of the medium will be

The magnetic field in plane electromagnetic wave is given by B= 3.01 xx 10^(-7) sin (6.28 xx 10^(2)x + 2.2 xx 10^(10) t) I. [ where x in cm and t in second] The wavelength of the given wave is

The magnetic field in plane electromagnetic wave is given by B= 3.01 xx 10^(-7) sin (6.28 xx 10^(2)x + 2.2 xx 10^(10) t) I. [ where x in cm and t in second] The wavelength of the given wave is