force surround a current in concentric circles, and, consequently, these lines are at right angles in space to the electric lines. As the ... A diagrammatic representation of the complete spectrum of electro-magnetic radiation is shown in Fig. 10. ... Rontgen or X-rays and the m shf A- IO4 uAf _L I03 As ur _|_ INTRODUCTION 13.
|Author||:||D. K. McCleery|