Define electric flux. Apply Gauss' law to obtain an expression for the electric field intensity at a point due to an infinitely long uniformly charged straight wire.

The intensity of electric field at a point is defined as the electric force experienced by the test charge qo placed at that point. Mathematically, electric field strength is given by E = F qo= kq r2 Unit of electric …

Establish different relations between magnetisation M, magnetic intensity H, magnetic susceptibility X and relavtive magnetic permeability μr. Define the magnetic susceptibility X.

Define electric field intensity. Write its S I unit. Write the magnitude and direction of electric field intensity due to an electric dipole of length 2 a at the midpoint of the line joining the two charges.

The electric field intensity between two points is the vector sum of all the electric fields acting at that point. The potential difference between two points tells us the amount of energy acquired by a unit …

The intensity of radiation can be defined as the energy related with photons emitted from a unit surface area in unit time. Its S.I. units is watt per steradian.

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(a) Define the term 'intensity of radiation' in photon picture. (b) Plot a graph showing the variation of photo current vs collector potential for three different intensities I 1> I 2> I 3, two of which (I 1 a n d I …

(1) Define the term 'intensity of radiation' in terms of photon picture of light. (2) Two monochromatic beams, one red and the other blue, have the same intensity.

Define electric flux. Apply Gauss' law to obtain an expression for the electric field intensity at a point due to an infinitely long uniformly charged straight wire.