Current Electricity and Electrical InstrumentHard

Question

If the reading of ammeter A3 in figure is 0.75 A. Neglecting the resistances of the ammeters, the reading of ammeter A2 will be :   

Options

A.1.5 A
B.3 A
C.4.5 A
D.6 A

Solution

0.75 × 60 = 15 × i2
i2 = 3 amp

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