Electric Current and flow of electrons

I have read that the FLOW OF ELECTRONS is called electricity. I wanna know that what is meant by flow of electrons? Pleaz answer me…. (Asked Kiruthika) Answer: Electric current is the flow of charges. (Measured as the rate of flow of charges). In conductors electric current is caused by the flow of free electrons. When a potential difference is … Continue reading Electric Current and flow of electrons

Questions received from a curious UG student

I have several doubts in physics.Would you like to answer me please?The following are the doubtful questions I have - 1.What is meant by 'Radic'? 2.What is a 'parallelopiped'?Is it a 3-dimensional parallelogram? 3.Why does no electric current flow through vacuum? 4.When several transparent materials are kept above each other, the resultant behaves like an … Continue reading Questions received from a curious UG student