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In the circuit (Fig. ) the current is to...

In the circuit (Fig. ) the current is to be measured. What is the value of the current if the ammeter shown (a) is a galvanometer with a resistance `R_(G) = 60.00 Omega`, (b) is a galvanometer described in (a) but converted to an ammeter by a shunt resistance `r_(s) = 0.02 Omega`, (c) is an ideal ammeter with zero resistance

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