What should be the ideal resistance of ammeter ?
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Answer :

Ideal resistance of ammeter should be zero.

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Answer : Ammeter is a current measuring device having low internal resistance so as to direct all the current flowing in the circuit through it. Hence Ammeter is always connected in series with the circuit. If ... If Ammeter is connected in parallel with the supply, then the supply will be a short circuit.

Description : what is ammeter ?

Answer : An instrument that is used to measure the amount of current flowing in a circuit.