A long, straight wire carriesa current I as in
Chapter , Problem 15(choose chapter or problem)
A long, straight wire carriesa current I as in FigureMCQ19.15. Which ofthe following statementsare true regarding themagnetic field due tothe wire? (There may be more than one correct state-ment.) (a) The field is proportional to I/r and is outof the page at P. (b) The field is proportional to I/r 2and is out of the page at P. (c) The field is proportionalto I/r and is into the page at P. (d) The field strengthis proportional to I, but doesnt depend on r. (e) Thefield is proportional to I/r 2 and is into the page at P.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer