TABLE 32. 



MUTUAL INDUCTANCE.* 

 M 



M 



Table of values of log 17= for facilitating the calculation of the mutual inductance M of two coaxial circles of 



4*- V *' f( a _ a /)2_l_2> J 



radii a, a', at distance apart b. The table is calculated for intervals of 6/ in the value of cos- 1 \ ( g _ a /\a _L ^2 j 

 from 60 to 90. 



* Quoted from Gray's 

 SMITHSONIAN TABLES. 



'Absolute Measurements in Electricity and Magnetism," vol. ii., p. 852. 



