Two resistors of $6\ \Omega$ and $3\ \Omega$ are connected in parallel. Find their equivalent resistance.

Two resistors of 6Ω and 3Ω are connected in parallel. Find their equivalent resistance.

Exercise · Q16

6\ \Omega

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For two resistors $R_1=6\ \Omega$ and $R_2=3\ \Omega$ in parallel,

\frac{1}{R_p} = \frac{1}{R_1}+\frac{1}{R_2} = \frac{1}{6}+\frac{1}{3} = \frac{1}{6}+\frac{2}{6} = \frac{3}{6} = \frac{1}{2}

$R_p = 2\ \Omega$ …