Question

define direct current and ac current​

Answer 1

Answer:

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Answer 2

AC CURRENT :

• AC can carry and safe to transfer longer distance even between two cities, and maintain the electric power.

• The rotating magnets cause the change in direction of electric flow.

• The frequency of AC is depended upon the country. But, generally, the frequency is 50Hz or 60Hz.

• In AC the flow of current changes its direction backwards periodically.

• Electrons in AC keep changing its directions – backward and forward.

DC CURRENT :

• DC cannot travel for a very long distance. It does, it loses electric power.

• The steady magnetism makes DC flow in a single direction.

• Electrons only move in one direction – that is forward.

• DC has no frequency of zero frequency.

OM!