Question

A wire of resistance R is divided in 10
equal parts. These parts are connected
in parallel, the equivalent resistance of
such connection will be:​

Answer 1

Answer:

0.01R

Explanation:

Resistance of a wire is proportional to its length. The wire is cut into 10 equal parts. So, resistance of each part = R/10

They are joined in parallel.

the resistance = R'

1/R' = 1/(R/10) + 1/(R/10) + 1/(R/10) + ... (10 times)

1/R' = 10 * 10/R

1/R' = 100/R

R' = R/100

 

Equivalent resistance  = R/100

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