In the circuit given below, the value of R required for

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In the circuit given below, the value of R required for the transfer of maximum power to the load having a resistance of 3 Ω is

1. zero
2. 3Ω
3. 6Ω
4. infinity

Correct Option: A

For maximum power transfer,
Z_L = Z_TH

⇒ 3 =	R6
	R + 6

⇒ R = 6Ω