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You are given several identical resistan...

You are given several identical resistances,each of value `R= 10 Omega` and each capable of carrying a maximum current of 1A. It is required to make a suitable combination of these resistances to obtain a resistance of `5 Omega` which can carry a current of 4A, FInd the mninimum number of resistances of the type R that will be required.

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