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What are the two types of AC current?
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The two types of AC (Alternating Current) are:

1. **Sine Wave AC (Pure AC):**

   * This is the most common form of AC, where the voltage alternates in a smooth, sinusoidal wave pattern. It is the type of AC used in household electrical outlets. In a sine wave, the current alternates between positive and negative values in a smooth, continuous cycle.

2. **Square Wave AC:**

   * This type of AC has a sharp, rectangular shape where the current switches between two values, either high or low, without any smooth transition in between. Square waves are often used in certain electronic devices and are not as common in regular household power distribution.

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