Recent content by zohaib javed

i'm so sorry sir SEngstrom.i can't understand.if don't mind can you explain it more,the difference between voltage drop and simply voltage? up to my concepts there is no difference,the voltage between two points is same if there is no any passive element is installed between these two points...

hello can anyone tell me about why we use ac at particular performance and not use dc.where dc is required what is its reason of must use of dc,and similarly for ac?