Electric Cells and Current Electricity

The lesson covers the types of electric cells, including primary and secondary cells. It explains the concepts of electromagnetic force, current electricity, potential difference, and resistance. The arrangement of cells in series and parallel is also discussed.

• 39:02 “Now, across the parallel combination, we have that, let's go up to check our parallel combination. We have it as 2.5, 2.5, in parallel combination, 2.5. So, we have the same, we have V, V is equal to I, R, in parallel co...”
• 21:58 “Let's proceed. Now, electric potential, electric potential, it is a work done in moving a unit charge from an infinity to a point of consideration. And we have the formula to be given us, V is equals to W over Q, and W i...”
• 40:42 “Now, that is the potential difference across the parallel combination. The D part, the question says, couple it in loss voltage of the battery. Now, how can we get the loss voltage? The loss voltage minus V is equals to...”