The length of a conductor is halved, it's comductivity will be
a)halved
b)doubled
c)quadrupled
d)unchanged

a=v/r

R=pl/a

So A=2times of intial

Explanation:

R is directly proportional to lenth and inversly Perprtional to current

So when lenth is half than r also became hal f and current double

answer: as we know that

Explanation:The resistance of a conductor is directly proportional to its length (L) as R ∝ L. Thus doubling its length will double its resistance, while halving its length would halve its resistance. Also the resistance of a conductor is inversely proportional to its cross-sectional area (A) as R ∝ 1/A

answer:

Conductivity is an intrinsic property of a material i.e. it depends only on the nature of material but not on the dimensions of the conductor. Thus conductivity remains the same even if the length of the conductor is halved.

Explanation:

Hope it help

answer:

halved

Explanation:

he resistance of the conductor is directly proportional to the length of the A substance, which posses conductance as its major property can be called as a good Gassing of electrolyte and evaporation Service life is halved for every 8 deg mSv) The explanatory notes for these guidelines are given in Annexure-IX.

if the length of the conductor is half then its resistance becomes half

Explanation:

because resistance is directly proportional To length

It's conductance or conductivity will be doubled

Let R = Resistance

ρ = Resistivity

L = Length in meter

A = Area

Then

R = ρL/A

Now new length = L/2

New Resistance =

R' = ρL/2A

or, R'= R/2

So the new resistance will be halved

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