A coil comprising an electrical conductive winding and a magnetic conductive winding configured to focus magnetic flux in the electrical conductive winding. The coil may be advantageously employed in electromechanical and electromagnetic devices.
STATEMENT REGARDING GOVERNMENT INTEREST
 This invention was made with United States Government support under Contract No. DE-AC07-05-ID14517 awarded by the United States Department of Energy. The United States Government has certain rights in the invention.