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A battery of internal resistance 4Omega ...

A battery of internal resistance `4Omega` is connected to the network of resistance as shown . In order that the maximum power can be delivered to the network, the value of R in `Omega` should be
.

A

`4//9`

B

`2`

C

`8/3`

D

`18`

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The correct Answer is:
B
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RESONANCE-CURRENT ELECTRICITY-Exercise-1 (Part-2)
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  8. Two cells of e.m.f. 10V & 15V are connected in parallel to each other ...

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  9. N sources of current with different emf's are connected as shown in Fi...

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  11. The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...

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  12. The current through the ammeter shown in figure is 1 A. If each of the...

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  13. The ammeter shown in the figure consists of a 480Omega coil conneted i...

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  14. A galvanometer together with an unkonwn resistance in series is connec...

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  15. A potentiometer wire of length 100 cm has a resistance of 100Omega it ...

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  16. The potentiometer wire AB shown in figure is 50cm long.When AD=30cm, n...

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  17. The current in a conductor and the potential difference across its end...

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  18. In the given circuit, no current is passing through the galvanometer. ...

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  19. In the circuit P != R, the reading of the galvanometer is same with s...

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