\"The Snake\" http://webphysics.iupui.edu/251/251sp12/puzzle.html check the webs
ID: 2056860 • Letter: #
Question
"The Snake"http://webphysics.iupui.edu/251/251sp12/puzzle.html
check the website to check the figure.
The figure above shows a piece of flexible wire lying on a frictionless table top. The wire can slide around and change its shape freely, but it cannot move perpendicular to the table.
Part a
If a current were to begin to flow counterclockwise in the wire which of the following would happen?
The wire would tend to stretch out into a circle
The wire would contract down to a tangled mess
Nothing
There is not enough information to tell.
Part b
If the current went clockwise, would that affect your answer to part a?
Please write your answer in the box below. Give an explanation of the reasoning behind your answer.
Explanation / Answer
The wire would stretch out in both the cases, and not sure about a circle but tries to attain shape that :
two current carrying wires with currents in opposite direction attract each other and vice-versa.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.