The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations.
I is measured as
A. (400 ± 1.5) A
B. (400 ± 1) A
C. (400 ± 3) A
D. (400 ± 2.24) A
Show Answer
Answer: D
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