The statement that is most correct about the following circuit is:
A1,A2,&A3 are readings of ammeter.
A
A3<A2
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B
A1=A2=A3
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C
A1<A2
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D
A1=A3
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Solution
The correct option is BA1=A2=A3 Current in components in series is constant. For the middle part of the circuit, ammeter is connected in parallel to the resistance R. Due to its extremely low resistance, all the current will pass through the ammeter and middle resistance can be ignored. Hence, all the ammeters will read the same.