How does alternating current change its direction?

Answer 1

Think of it as a person cutting a piece of wood with a saw!

Obviously it is more complicated than this but I try to make it very simple.
Immagine that you are a free electron sitting into a piece of metal...now a magnet passes neat the metal and you (as a charged....particle) feel it and start to follow it! but then the magnet passes and you are now alone at a different point in the metal (you moved)...BUT now the magnet comes again near the metal...you are on the other side and you run to meet it....running to the opposite side!!!

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Answer 2

Alternating current changes its direction due to a periodic reversal of the flow of electric charge. This reversal occurs in a sinusoidal manner, shifting from positive to negative and vice versa, typically in a regular and time-dependent pattern.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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