Networks Analysis and Synthesis - Engineering

Q1:

The internal impedance of a source is 3 + j 7 Ω. For maximum power transfer, load impedance should be

A 3 + j 7 Ω

B 3 - j 7 Ω

C 7 + j 3 Ω

D 7 - j 3 Ω

ANS:B - 3 - j 7 Ω

Load impedance should be conjugate of source impedance.