Resistance of a conductor of length 1 m is10ohm what is conductive if its diameter is 1 mm?
Answers
Answered by
0
Answer:
The resistance of a conductor of length L and diameter d is given by R=
π(d/2)
2
ρL
where ρ= resistivity of material of conductor.
When diameter is doubled, the resistance becomes R
′
=
π(2d/2)
2
ρL
=R/4
Similar questions