An ideal ammeter should
A. have a high coil resistance.
B. introduce a very small series resistance into the circuit whose current is to be measured.
C. introduce a very large series resistance into the circuit whose current is to be measured.
D. consist of a galvanometer in series with a large resistor.
Answer:B
An ideal ammeter should
A. have a high coil resistance. B. introduce a very small series resistance into the circuit whose current is to be measured. C. introduce a very large series resistance into the circuit whose current is to be measured. D. consist of a galvanometer in series with a large resistor.