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Posts Tagged ‘electric current’

Electrochemistry

By admin • Mar 17th, 2008 • Category: Uncategorized

ELECTROCHEMISTRYWhat is electrochemistry?
Electrochemistry is defined as the study of the chemical properties and reactions of substances involving ions in solution. Electrochemistry is concerned with the interconversion of electrical and chemical energies. During electrolysis, electrical energy is obtained by bringing about chemical change. In a […]



Alternating Current

By admin • Mar 17th, 2008 • Category: Uncategorized

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 […]



Ohm’s Law

By admin • Mar 17th, 2008 • Category: Uncategorized

Ohm’s Law
For many conductors of electricity, the electric current which will flow through them is directly proportional to the voltage applied to them. When a microscopic view of Ohm’s law is taken, it is found to depend upon the fact that the drift velocity of charges […]