Question

୧. ଏକ ଧାତବ ତାରର ପ୍ରସ୍ତୁଚ୍ଛେଦର କ୍ଷେତ୍ରଫଳ 4x10-8 m?
ଏବଂ ବିଶିଷ୍ଟ ପ୍ରତିରୋଧ 10x10-8 ohm meter ଅଟେ । ଏହି
ଧାତବ ତାରର ପ୍ରତିରୋଧ 25 ohm ହୋଇଥିଲେ ଏହାର ଦୈର୍ଘ୍ୟ
6460 629 ? 1.The area of cross-section of a
metallic wire is 4x10-8 mand it's specific
resistance is 10x 10-8 Ohm meter. I
resistance of wire is 25 Ohm, what would be
it's length ?
O a) 2m
O b) 5m
୦ c) 10m
Od) 20m​

Answer 1

Answer:

Option B will be the required answer

Explanation:

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