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Is this not the formula used to find the relative error for resistance in parallel?see image. If it's wrong then which formula should be used . And why shouldn't we use this formula.

Is this not the formula used to find the relative error for resistance in parallel?see image. If it's wrong then which formula should be used . And why shouldn't we use this formula.

Question Image
Grade:12

1 Answers

Eshan
askIITians Faculty 2095 Points
2 years ago
Dear student,

The formula is correct and can always be used. Infact the derivation of it is as shown below, where no assumption has been made. Hence it must have universal applicability.
568-1872_123.png

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