Question

should the resistance of an ammeter be low or high ? Give reason .​

Answer 1

Answer:

• An ammeter is a device used to measure the amount of current flowing in a circuit. The resistance of an ideal ammeter should be zero. This is because an ammeter is connected in series in a circuit. Hence, it's resistance adds to the total resistance of the circuit.

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Answer 2

Ammeter is connected in series in an electric circuit to measure electric current. If its resistance is high , then the net resistance of the electric circuit will increase and hence current in the electric circuit will decrease. Ammetre will not read the actual value of the current in the circuit. If resistance of the ammeter is low then the net resistance of the circuit will not be effected much. Hence, the current in the circuit is not affected. Ideal ammeter has zero resistance.