Solve the problem.
-The resistance $R$ produced by wiring resistors of $R _ { 1 }$ and $R _ { 2 }$ ohms in parallel can be calculated from the formu: $\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } .$
If $R _ { 1 }$ and $R _ { 2 }$ are measured to be 10 ohms and 5 ohms respectively and if these measurements are accurate to within $0.05$ ohms, estimate the maximum percentage error in computing $R$.
A) 1.33%
B) 1.00%
C) 1.67%
D) 0.83%

Question

Quizplus · Accepted Answer

The Answer of Solve the problem.
-The resistance $R$ produced by wiring resistors of $R _ { 1 }$ and $R _ { 2 }$ ohms in parallel can be calculated from the formu: $\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } .$
If $R _ { 1 }$ and $R _ { 2 }$ are measured to be 10 ohms and 5 ohms respectively and if these measurements are accurate to within $0.05$ ohms, estimate the maximum percentage error in computing $R$.
A) 1.33%
B) 1.00%
C) 1.67%
D) 0.83%

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