The resistance R is adjusted so that the power dissipated in the 2 Ω resistor is maximum. Under this condition, select the correct statements.

Question

G1 Physics · Accepted Answer

Replace the rest of the network seen by the 2 Ω resistor with its Thevenin equivalent. Maximum power occurs when the adjustable part gives the required matched condition; evaluating the circuit gives R=0 and P(2Ω)=72 W. Hence A,C.