Using `B=(mu_0) H find the ration (E_0/H_0)` for a plane electromagnetic wave propagating through vacuum. Show that it has the dimensions of electric resistance. This ratio is a universal constant called the impedance of free space.

Using B_(0)=mu_(0)H_(0) formula find ratio of (E_(0))/(H_(0)) for plane electromagnetic wave.

The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is B_(0) = 510 nT . What is the amplitude of the electric field part of the wave?

For a plane electromagnetic wave propagating along + Y axis, magnetic field is, B_(x)=8xx10^(-6)sin{(3xx10^(8))t-(0.4xx10^(3))y}hat(i)T . Find periodic time, wave no and write equation of corresponding electric field.

The frequency of na electromagnetic wave in free space is 2 MHz. When it passes through a region of relative permittivity epsilon_(r )=4.0 , then its wavelength …… and frequency ……

Find the dimension of the quantity (1)/(4pi epsilon_(0))(e^(2))/(hc) , the letters have their usual meaning , epsilon_(0) is the permitivity of free space, h, the Planck's constant and c, the velocity of light in free space.

In electromagnetic theory, the electric and magnetic phenomena are related to each other. Therefore, the dimensions of electric and magnetic quantities must also be related to each other. In the questions below, [E] and [B] stand for dimensions of electric and magnetic fields respectively. While [ in_(0)] and [mu_(0)] stand for dimensions of the permittivity and permeability of free space respectively. [L] and [T] are dimensions of length and time respectively. All the quantities are given in SI units. The relation between [in_(0)] " and " [mu_(0)] is :-

In electromagnetic theory, the electric and magnetic phenomena are related to each other. Therefore, the dimensions of electric and magnetic quantities must also be related to each other. In the questions below, [E] and [B] stand for dimensions of electric and magnetic fields respectively. While [ in_(0)] and [mu_(0)] stand for dimensions of the permittivity and permeability of free space respectively. [L] and [T] are dimensions of length and time respectively. All the quantities are given in SI units. The relation between [E] adn [B] is :-

The magnetic field in a plane electromagnetic wave is given by B_(y)=(2xx10^(-7)) T sin (0.5xx10^(3)x+1.5xx10^(11)t) . Write an expression for the electric field.