General Information Regarding Current

General Information Regarding Current

Current: Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. Current is having two types.

1) AC (Alternating Current)    2) DC (Direct Current)

1) AC (Alternating Current): The electrons flow in one direction, then in the opposite direction over and over again, continually changing between positive (+) and negative (-).

2) DC (Direct Current): Direct Current (DC) always flows in the same direction, but it may increase and decrease. DC voltage is always positive or always negative.
Electronic circuits normally require DC Current:
    Steady DC: Supply which is constant at one value.
    Smooth DC: Supply which has a small variation called ripple.
    Varying DC: Supply which is unsuitable for electronic circuits.

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