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NCERT Physics Class 12 Online Notes - Current Electricity – Electric Current

NCERT Physics Class 12 Online Notes - Current Electricity – Electric Current

ALTERNATING AND DIRECT CURRENT:
There are two types of electric current, they are alternating and direct current. When the electric charge moves periodically reverse direction called an alternating current. It is the form of electric current commonly delivered to our houses. The usual form of alternating current is a sine wave. Alternating current has various other applications as well.
When the flow of current is unidirectional or it moves in a system in one direction the current is called as direct current. The basic source of direct electric current is the battery. The direct was also called as galvanic current.
Physics Notes For Class 12, electric current, 12th physics, NCERT Physics class 12
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