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Q.

Find the reading of the ideal ammeter connected in the given circuit. Assume that the cells have negligible internal resistance. 

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a

none of these

b

5 A

c

2.5 A

d

2 A

answer is C.

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Detailed Solution

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The current through ammeter 

I=I4−I3+I2−I1

=(6−02)−(8−64)+(6−4)4−(14−6)8

=3−12+12−1=3−1=2  A

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