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ALTERNATING CURRENT
 What is alternating current?
Alternating current is described as an electric current, that reverses its direction with a constant frequency. The graph of the current against time in the case of AC current is a sine curve.

Thus, we see that alternating current, unlike direct current, is a continuously varying. The direction of alternating current also […]

CAPACITANCE
Capacitance is typified by a parallel plate arrangement and is defined in terms of charge storage:
C=Q/V
where

Q = magnitude of charge stored on each plate.
V = voltage applied to the plates.

Charge on Series Capacitors

Since charge cannot be added or taken away from the conductor between […]