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Sciences > Physics Alternating current (AC) and direct current (DC): A simple explanation

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...

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