Alternating current or AC flows in the [[1]] direction.

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Detailed Solution

Alternating current or AC flows in the reverse direction.
The electric current which reverses its direction after a certain fixed interval of time is called alternating current. Thus, in AC, the positive and negative polarities are not fixed. The electricity supplied to our homes and industry is AC. The electric current which always flows in the same direction is called direct current or DC. Thus, for DC, the positive and negative polarities are fixed. The current obtained from a battery or a cell is a direct current.

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