In the given circuit for what value of X the net resistance between A and B is 50 ohm

Answers (1)
S safeer

\\R_{AB}=\frac{30\times60}{30+60}+\frac{40x}{40+x}\\\\50=20+\frac{40x}{40+x}\\\\30=\frac{40x}{40+x}\\\\1200+30x=40x\\\\x=120\Omega

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