1.

The possible percentage error in computing the parallel resistance R of three resistances R_(1),R_(2),R_(3) from the formula 1/R=1/R_(1)+1/R_(2)+1/R_(3), if R_(1),R_(2),R_(3)are each in error by 1.2%

Answer»

1.2
1.3
1.3
1.7

Answer :A


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