December 2019 1 65 Report
A digital meter has an accuracy of ±1%.
The meter is used to measure the current in an electrical circuit.
The reading on the meter varies between 3.04A and 3.08A.
What is the value of the current, with its uncertainty?
A (3.06 ± 0.02)A
B (3.06 ± 0.04)A
C (3.06 ± 0.05)A
D (3.06 ± 0.07)A

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