Physics, asked by sonudhaker, 1 year ago

A 6 ohm resistance wire is doubled by folding. calculate
is the new resistanne?

Answers

Answered by yioph
3
Given,

Resistance = 6 ohm.

When it is folded its length becomes halved

and its area gets doubled.

We know,

R = rho × L / A......(1)

Now,

New R = rho × L/2 / 2A

Therefore R = 1/4 rho × L / A

Comparing this with one ..we get..

R = 1/4 × 6

Thus, New resistance is 1.5 ohm..

Regards

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