Questions
When a current of flows through a wire, it develops a potential difference of The resistance of wire is
detailed solution
Correct option is A
We know resistance R=Vl=202.5=8 ΩΔRR=ΔVV+Δll=120+0.52.5=14ΔR=14×8=2 Ω=R(8±2)ΩTalk to our academic expert!
Similar Questions
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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