value of resistance R in the corcuit for which maximum power is delivered in the battery
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c) 4 ohms
Explanation:
We know that power in a circuit is inveresly proportional to the equivalent Resistance of the
inveresly proportional to the equivalent Resistance of thecircuit. so we need to know the lowest value of the parallel combination, in which we only know about the 2ohm, so to get the lowest parallel combination, we need to take such a resistance which will lower the resistance of the parallel combination. here, if we take 4ohm resistor with the existing 2ohm resistor, then it will give us the lowest resistance possible in the parallel combination, which is 0.75 ohms.
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