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Physics-

General

Easy

Question

Three equal resistances each of value R are joined as shown in the figure. The equivalent resistance between M and N is

R
2R
$\frac{R}{2}$
$\frac{R}{3}$

The correct answer is: $fraction numerator R over denominator 3 end fraction$

Three resistances are in parallel.
\ $fraction numerator 1 over denominator R ´ end fraction equals fraction numerator 1 over denominator R end fraction plus fraction numerator 1 over denominator R end fraction plus fraction numerator 1 over denominator R end fraction equals fraction numerator 3 over denominator R end fraction$
The equivalent resistance $R ´ equals fraction numerator R over denominator 3 end fraction capital omega$

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