If two resistances R1=4+_0.5)ohm ........solve the question
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in series use only
R' = R1 + R2+...
SO U WILL GET = 20 +5%
WHILE IN PARALLEL
USE THIS FORMULA
DELTA R' = (Req in PARALLEL)^2 [delta r1/(R1)^2 + delta r2/(R2)^2 ×100
R' = R1 + R2+...
SO U WILL GET = 20 +5%
WHILE IN PARALLEL
USE THIS FORMULA
DELTA R' = (Req in PARALLEL)^2 [delta r1/(R1)^2 + delta r2/(R2)^2 ×100
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