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A battery of internal resistance 4 Omega...

A battery of internal resistance `4 Omega` is connected to the network of the resistance as shown in figure. To deliver maximum power to the network, the magnitude of resistance R in `Omega ` should be `( x )/(21)`. Find x .

A

16

B

17

C

19

D

23

Text Solution

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The correct Answer is:
C
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