A battery of internal resistance 4 Ω Ω is connected to the network of resistances as shown. In order to give the maximum power to the network, the value of R (in Ω Ω ) should be
Text Solution
Verified by ExpertsThe correct answer is:
C
The equivalent network is
Clearly, the network of resistances is a balanced Wheatstone bridge.
So 
is given by
⇒ ⇒ 
For maximum power transfer 
⇒ ⇒ 
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