Write about resistance ?
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Resistance is the opposition that a substance offers to the flow of electric current. It is represented by the uppercase letter R. The standard unit of resistance is the ohm, sometimes written out as a word, and sometimes symbolized by the uppercase Greek letter omega
nitish2311:
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Resistance :
Explanation:
It is the measure of the obstruction to the flow of current. It is directly proportional to the length and inversely proportional to area.
R is proprotional L/a
R = row L/a
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