Question

A metallic wire is having the area of cross-section 4×10⁻⁸ m² and resistivity 10×10⁻⁸ Ωm. If the resistance of the wire is 25Ω then its length will be ___________?ଏକ ଧାତବ ତାରର ପ୍ରସ୍ଥଛେଦର କ୍ଷେତ୍ରଫଳ 4×10⁻⁸ m² ଏବଂ ବିଶିଷ୍ଟ ପ୍ରତିରୋଧ 10×10⁻⁸ Ω m ଅଟେ ? ଏହି ଧାତବ ତାରର ପ୍ରତିରୋଧ 25Ω ହୋଇଥିଲେ ଏହାର ଦୈର୍ଘ୍ୟ କେତେ ହେବ ?
1 point
10 m
100 m
10³ m
10⁴ m

Answer 1

Answer:

A metallic wire is having the area of cross-section 4×10⁻⁸ m² and resistivity 10×10⁻⁸ Ωm. If the resistance of the wire is 25Ω then its length will be

10m