Question

In the figure shown the power generated in $y$ is maximum when $y=5\Omega$ Then $R$ is :-

• A. $2\Omega$
• B. $6\Omega$
• C. $5\Omega$
• D. $3\Omega$

Answer 1

Answer: (D)

if $P=$ max
$R+2=y=5$
$R=3\Omega$