Explain the propagation of errors in the case of division of 2 physical quantities.
Asked by saipass | 18th May, 2012, 03:25: PM
Expert Answer:
ERROR PROPAGATION IN MULTIPLICATION AND DIVISION
If a quantity E = A x B and the result of measurement of A & B is A ± ?Aand B ± ?B then what will be the error ?E in E? Here if we take differentialswe getdE = B dA + A dBDividing by E = AB and changing differentials by `deltas' we get
?E/E = ?A/A + ?B/B
If a quantity E = A x B and the result of measurement of A & B is A ± ?Aand B ± ?B then what will be the error ?E in E? Here if we take differentialswe getdE = B dA + A dBDividing by E = AB and changing differentials by `deltas' we get
Answered by | 18th May, 2012, 04:07: PM
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