A wire is 1m long , 0.2mm in diameter qnd has resistance of 10 ohms? Calculate its resistivity
Answers
Answered by
2
Hi
We know that resistivity = R × A / L
where R is resistance , A is area and L is the length of the wire.
A = π r ². r = 0.2m / 1000. = 2 × 10 ^-4m
resistivity = 10 ohm × π ( 2 × 10^-4)² m². / 1 m
resistivity = 1.2 × 10 ^ -6 ohm m^-1
Have a great future ahead....
We know that resistivity = R × A / L
where R is resistance , A is area and L is the length of the wire.
A = π r ². r = 0.2m / 1000. = 2 × 10 ^-4m
resistivity = 10 ohm × π ( 2 × 10^-4)² m². / 1 m
resistivity = 1.2 × 10 ^ -6 ohm m^-1
Have a great future ahead....
Answered by
1
heya!!!
here is ua answer:
here is ua answer:
Attachments:
Anonymous:
hii
Similar questions