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RESISTANCE Opposition
offered by the material of conductor in the flow of electric current is
called resistance. It
is denoted by “R” FACTORS
ON WHICH RESISTANCE DEPENDS Length
of conductor Resistance of a
conductor is directly proportional to the length of conductor . R a L…………….(a) Area
of cross section of conductor Resistance
of a conductor is inversely proportional to area of cross section of
conductor. R a 1 /
A……………….(b) Combining
(a) and (b) R a L / A OR R = r L / A Where |
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