The resistance R = V I , where V = ( 50 ± 5.0 ) V and I = ( 5 ± 0.1 ) A. Find the percentage error in R .

% error in V = 5 50 × 100 = 10 % % error in I = 0.1 5 × 100 = 2 % Total error in R = 10 % + 2 % = 12 %

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PhysicsUnit & DimensionMiscellaneousMedium2 minQB

PhysicsMediuminteger

The resistance $R = \frac{V}{I}$ , where $V = (50 \pm 5.0) V$ and $I = (5 \pm 0.1)$ A. Find the percentage error in $R$ .

Answer:

Solution:

% error in $V = \frac{5}{50} \times 100 = 10 %$

% error in $I = \frac{0.1}{5} \times 100 = 2 %$

Total error in $R = 10 % + 2 % = 12 %$

Subject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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