Question:medium

State the difference between AC and DC. (Support your answer with a diagram.)

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AC is more efficient for long-distance power transmission, while DC is ideal for portable devices.
Updated On: Jan 13, 2026
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Solution and Explanation

The distinction between Alternating Current (AC) and Direct Current (DC) is as follows:

  • AC: This type of current reverses its direction at regular intervals. It is commonly employed for the transmission of electrical power and in the operation of household appliances.
  • DC: This type of current maintains a unidirectional flow. Its applications include batteries and electronic components.

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