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The effective resistance in series combination of two equal resistance is ‘ $s$ ’. When they are joined in parallel the total resistance is $p$ . If $s = n p$ then the minimum possible value of ‘ $n$ ’ is

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detailed solution

Correct option is A

$S = n P$

If the identical resistances are R, then

$\Rightarrow 2 R = n \cdot \frac{R}{2}$

$\Rightarrow n = 4$

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The effective resistance in series combination of two equal resistance is ‘s’. When they are joined in parallel the total resistance is p. If s=np then the minimum possible value of ‘n’ is

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

The effective resistance in series combination of two equal resistance is ‘ $s$ ’. When they are joined in parallel the total resistance is $p$ . If $s = n p$ then the minimum possible value of ‘ $n$ ’ is