We can see how circuits work, and represent them with some simple diagrams, using basic electrical components like these. You start with a cell, or combination of cells. These could be batteries ...

SDB said the purchase price of RM4.8mil was lower than the market price of RM72.3mil based on the valuation report of Raine & Horne International Zaki + Partners Sdn Bhd dated Jan 11, 2016.