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For ZL= ZS*, the relation between XL and XS is?(a) XL = XS(b) XL = 0(c) XL = 1(d) XL = -XSThis question was posed to me in class test.The doubt is from Maximum Power Transfer Theorem topic in portion Useful Theorems in Circuit Analysis of Network Theory |
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Answer» CORRECT choice is (d) XL = -XS Easiest explanation: For ZL = ZS*, the relation between XL and XS is XL = -XS. Maximum power transfer is not ALWAYS desirable since the transfer occurs at a 50 percent efficiency. |
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