Why is AC current a vector quantity but DC current is a scalar quantity?

Question:

Why is AC current a vector quantity but DC current is a scalar quantity?

Alternating Current

An alternating current (AC) is a current in which it reverses its direction periodically. Other type of current is direct current (DC) which only traverses one direction unlike alternating current.

Answer and Explanation: 1

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AC (alternating current) is a vector quantity since it indicates or has a magnitude and also a sign (+ or -)/


The sign indicates the direction of...

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Alternating Current: Definition, Advantages & Disadvantages

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Chapter 12 / Lesson 7
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Read the definition of direct and alternating current. See the advantages of AC over DC and understand why we use AC instead of DC. Know if we use AC or DC in homes.


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