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Exam Questions Papers - Engineering

Q1:

Value of ZL for maximum power transfer is

A R

B R + jωL

C R - jωL

D None of these

ANS:C - R - jωL

The value of load for maximum power transfer is given by complex conjugate of ZAB. ZAB = R + jXL = R + jωL. ∴ ZL for maximum power transfer is given by, ZL = R - jωL.