Question

a) What is the difference between direct current and alternating current? Write one important
advantage of using alternating current.
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Answer 1

Answer:

Alternate current (AC)

Advantage:AC can be transmitted over long distant without much of energy.

disadvantage: AC cannot be stored .

Direct current (DC)

Advantage:DC can be stored .

Disadvantage:loss of energy during transmission over long distance in high.

Answer 2

Answer:

DC is the flow of electric charge in only one direction.

AC is the flow of electric charge by periodically reversing the direction of current.

AC is used in heavy industries and dangerous than DC whereas DC is used in light industrial activities.

One important advantage of using alternate current is that it's voltage can be readily reduced from low to high or high to low.

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