Question

$\huge{\underline{\underline{\sf{QuEStiON}}}}$

1) A piece of wire having resistance 'R' is cut into four equal parts
**(a) How will the resistance of each part compared with the original Substance
**(B) if four parts are placed in parallel, how will the joint resistance compared with the resistance of the original wire






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I need help please help please
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Answer 1

$\huge\underline\bold\blue{AnswEr✓}$

Answer 2

Answer:

A ) We know that R ∞ 1

So , when the wire is cut into four equal parts the resistance of each part is 1/4th of the original substance .

$Hence , \: R {2} = \frac{R}{4} , R2 = \frac{R}{4}$

$R3 = \frac{r}{4 \:} , r4 = \frac{r}{4}$

So ,

R = R/16