Electricity full chapter in one video ||one shot

The amount of electric charge on one mole of electrons is __________.

The common lead storage battery produces electricity by two hall cell reactions, one of which is (written in the direction of production of electricity )

Assetrion: Electric lines of force never cross each other. Reason: Electric field at a point superimpose to give one resultant electric field

A: One faraday electricity deposite 1 mole of Na & 2 mole of Cu in NaCl & CuSO_(4) solution respectively. R: One faraday electricity always deposite 1 mole of any substance.

Define the following statement: " if there were only one electrically charged paticle in th entire universe, the concept of electric charge would be meaningless".

Surface areas and volumes in one shot

Four cards are drawn from a full pack of cards . Find the probability that there is one card of each suit,

Among the three allotropes of an element, one is a good electrical conductor, the second one is known to be one of the hardest materials and the third one has a molecular form with an truncated icosahedral structure. The element is:

One tap can fill a cistern in 3 hours and the waste pipe can empty the full cistern in 5 hours. In what time will the empty cistern be full, if the tap and the waste pipe are kept open together ?

A charge Q is situated at the centre of a cube. The electric flux through one of the faces of the cube is