Electric current has become our daily life necessity. There are thousands of things around us which are useless without electric current e.g. Computer, tube-lights, bulbs, TV etc. Many appliances use Direct Current and others uses Alternating Current. Now Let me explaing what is Alternating Current and Direct Current. There are type of Electric Current: 1)Alternating Current (AC) 2)Direct Current (DC) Alternating Current(AC): Definition:Alternating current is that which is produced by a voltage source whose polarity keeps on reversing with time. Explanation: Suppose a terminal 'A' of the a...
More..M. Noman Younis
Member since: April 2006
Articles Written: 7