Asked by | 1st Apr, 2008, 03:03: PM
The force on current carrying rod due to magnetic field must be in the upward direction. Use cross product rule and think in which direction should the current be.
Next equate the force( ilB ) with the force on the two springs(2kx).
After you have completed these steps and if you do not get the right answer please let us know.
Answered by | 23rd May, 2008, 10:16: AM
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