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If the reading of the ideal ammeter A in...

If the reading of the ideal ammeter A in the circuit shown here is zero, then the ratio `E_1//E_2` of the emf s of the two batteries must be

A

1

B

`R_1//R_2`

C

`R_2//R_1`

D

none of the above

Text Solution

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The correct Answer is:
B
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