Define electric flux. Write a mathematical expression for the electric flux.

Write mathematical expression for ampere's circuital theorem

Write the mathematical expression of First Law of thermodynamics.

In an electromagnetic wave, the oscillating electric field having a frequency of 3 * 10^12 Hz and an am plitude of 30 V/m propagates in free space in the positive x-direction Write down the expression to represent the electric field

The electric flux through the surface

Assertion : In a uniform electric field, the net charge within a volume of any size is zero. Reason : The electric flux within any closed surface in a region of uniform electric field is zero.

One can determine the direction of electric field around a stationary charge with the help of electric field lines. Br What do you understand by the term .electric flux.? Give its Sl unit.

Define electric power. What is its Si unit?

One can determine the direction of electric field around a stationary charge with the help of electric field lines. Br State Gauss.s theorem in electrostatics and express it in mathematical form.

Under an external electric field electrons drift slowly inside the conductor. Write an expression for drift velocity in terms of relaxation time