alleryAn ideal ammeter has:
AVery low resistance, connected in series
BVery high resistance, connected in parallel
CZero resistance, connected in parallel
DInfinite resistance, connected in series
Answer & Solution
Correct answer: A. Very low resistance, connected in series
1. Ammeter measures current — placed in SERIES with the component.
2. To not affect the circuit current, its resistance should be as LOW as possible (ideally zero).
3. Voltmeter is the opposite: PARALLEL, with ideally INFINITE resistance.
_Source: syllabus Science Ch 11 §11.5 (circuit diagram conventions)_
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