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Exam Questions Papers - Engineering

Q1:

Find RL for maximum power transfer.

A 3 Ω

B 1.125 Ω

C 4.1785 Ω

D None of these

ANS:A - 3 Ω

Use Y - Δ transformation RAB= (9 || 18) || (9 || 18) = 3 Ω.