1. Super User
  2. Magnetic Effect of Electric Current
  3. Friday, July 01 2016, 08:49 PM

What are the differences between dc and ac currents?

Ravi Ranjan Accepted Answer Pending Moderation

The difference between the direct and alternating currents is that the direct current always flows in one direction, whereas the alternating current reverses its direction periodically. Most power stations

constructed these days produce AC. In India, the AC changes direction after every 1/100 second, that is, the frequency of AC is 50 Hz. An important advantage of AC over DC is that electric power can be


transmitted over long distances without much loss of energy.

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