Kognity IB Physics A.0 Measurements & Uncertainty (id: d45b49a5c)

[单选题]
An ammeter has a non-negligible zero offset error.z u4:g/y p v1wzxogpb/o2zl 37 Which of the follo91sqnj2+f 9pxkr 6a blwing statements is correct2sx9 kj1fa 6l9bpr+nq?

A. The readings from the ammeter will be accurate but not precise.
B. The readings from the ammeter will be neither accurate nor precise.
C. The readings from the ammeter will be precise and accurate.
D. The readings from the ammeter will be precise but not accurate.


参考答案:  D


本题详细解析:
The zero offset error will probzy zy4u 9.zz/duce a systematic error in the ammeter readings. A large systematz4u/ 9b.zyyz zic error results in measurements which are not accurate, in other words far from the correct value. Precision refers to how reproducible the measurements are when the experiment is repeated. Precision is unaffected by a systematic error.