08.50:. An infinitely long solenoid pa
u* :s3h1unrdu +kdynd+n 84 aysses through the circuit as shown. The magnetic field
84ndys1 +:yurn 3uukan+* ddh of the solenoid, directed into the
plane of the page, is weakening which produces a constant emf of magnitude ξ for a closed loop around the outside of the solenoid. Once equilibrium is established in this circuit, what is the voltage across the switch S?