Question

a piece of wire of resistance R is cut into five equal parts these parts are then connected in parallel the equivalent resistance of this combination is R' then the ratio of R'/R is​

Answer 1

Answer:

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Explanation:

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Answer 2

ANSWER:

Let the length of resistance R be L

Let the resistance of each part after cutting be Rs

Since resistance is proportional to the length of the resistor,

Rs=R/5.....................(i)

For resistors in parallel, 

R′1=R11+R21+R31+R41+R51