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In the circuit shown in figure ammeter a...

In the circuit shown in figure ammeter and voltmeter are ideal. If `E=4 V,R=9Omega` and `r=1Omega` then readings of ammeter and voltmeter are

A

1A,3V

B

2A,3V

C

3A,4V

D

4A,4V

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The correct Answer is:
D
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