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QJEEM24Phf32f: JEE Main 2024 Physics - Class 12 JEEM24Phf32f Solution: A wire of resistance and length is cut into 5 equal parts. If…

A wire of resistance $\mathrm{R}$ and length $\mathrm{L}$ is cut into 5 equal parts. If these parts are joined parallely, then resultant resistance will be :

Multiple Choice Options

A $\frac{1}{25} \mathrm{R}$
B $\frac{1}{5} R$
C 25 R
D 5 R

Step-by-Step Verified Solution

Resistance of each part $=\frac{R}{5}$

Total resistance $=\frac{1}{5} \times \frac{\mathrm{R}}{5}=\frac{\mathrm{R}}{25}$

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