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Determine the current drawn from a 12 V supply with internal resistance 0.5 Omega by the infinite network shown in Fig. Each resistor has 1 Omega resistance. |
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Answer» Solution :FIRST calculate net RESISTANCE of `oo` NETWORK `x=2+(x)/(x+1)`, `x^(2)-2x-2=0` on solving, `x=1+sqrt3=2.73Omega` TOTAL resistance `=2.73+0.5` `=3.23Omega` `I=(12)/(3.23)=3.73A` |
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