A variable w is related to three other variables x, y and z as w = xy/z.
The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading.
The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three.
The maximum uncertainty in the measurement of w will be
A. ± 5%
B. ± 6%
C. ± 7%
D. ± 8%
Show Answer
Answer: C
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