A) R
B) 2R
C) \[\frac{R}{2}\]
D) \[\frac{R}{3}\]
Correct Answer: D
Solution :
Three resistances are in parallel. \ \[\frac{1}{R'}=\frac{1}{R}+\frac{1}{R}+\frac{1}{R}=\frac{3}{R}\] The equivalent resistance \[R'=\frac{R}{3}\Omega \]
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