Question

what is ideal ammeter
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Answer 1

Answer:

The internal resistance of an ideal voltmeter is infinity and the internal resistance of an ideal ammeter is zero. Ammeter is connected in series and voltmeter is connected in parallel with the electric appliance.

Answer 2

An ammeter with zero resistance because then it would give the exact reading of the current without any decrease in it's amount .

Although zero resistance is a theoritical concept for an ammeter .

Hope it's helpful to you.