Questions
Find the percentage error in specific resistance given by , where r is the radius having value , R is the resistance of and l is the length of .
detailed solution
Correct option is C
Δρρ×100=2Δrr+ΔRR+ΔIl×100=2×0.020.2+260+0.1150×100=23.4%Talk to our academic expert!
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The density of a cube is measured by measuring its mass and length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then the maximum error in the measurement of density is
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