In a circuit shown below, two conducting spheres of radius R each are located far away from each other and are connected by thin wires through a solenoid with inductance L. Initially, one of the spheres is charged and the other is neutral. How long after the switch is closed do the charges on the spheres become equal?
We received many solutions to our February Challenge, Think inside the box! We are pleased to recognize the following contributors:
Guidelines for contributors
Many thanks to all contributors who made the column a great success this school year. We look forward to hearing from you in the fall!
As always, reader-contributed Challenges are very welcome.
Boris Korsunsky, Column Editor