Considerations To Know About boron carbide
normal values of gm for a little-sign vacuum tube are one to ten millisiemens. It has become the a few 'constants' of a vacuum tube, the other two currently being its obtain μ and plate resistance Rp or Ra. The Van der Bijl equation defines their marriage as follows: g m = μ R p \displaystyle g_ m = \mu \around R_ p Boron carbide was 1st synthes