Saved Bookmarks
| 1. |
Iv) The wire of length L and resistance R is stretched so that its radius of cross-sectionis halved. What is its new resistance?(A) 5R (B) 8R(C)4R(D) 16R |
|
Answer» tion:B option is your right answer BCZ R ia DIRECTLY proportional to length.plz follow me |
|