An ideal ammeter has...

An ideal ammeter has

zero resistance

low resistance

high resistance

infinite resistance

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A galvanometer has a current sensitivity of 5 divisions per milliampere and voltage sensitivity of 1 division per millivolt. The galvanometer has 30 divisions and it is to be used as an ammeter to read 6 A. This requires a shunt of value

A galvanometer has a resistance of 16 Omega and gives a full scale deflection, when a current of 20 mA is passed through it. The only shunt resistance available is 0.04 Omega which is not appropriate to convert galvanometer into an ammeter. How much resistance should be connected in series with coil of galvanometer so that the range of ammeter is 10 A?

A galvanometer has a resistance of 16Omega . It shows full scale deflection when a current of 20mA is passed through it. The only shunt resistance available is 0.06W which is not appropriate to convert galvanometer into ammeters. How much resistance should be connected in series with the coil of galvanometer so that the range of ammeter is 8A?

A Galvanometer has a resistance of 40 D and a current of 4 mA is needed for a full scale deflection. What is the resistance and how is it to be connected to convert the galvanometer:- into an ammeter of 0.4 A range and

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