A unity negative feedback system has the open-loop transfer function [Math Processing Error]. The value of the gain K(>0) at which the root locus crosses the imaginary axis is ______. Show Hide Correct Ans :: 12 190 0 {{likes}} Ask Your Friends Ask your Friends {{query.title}} Post on your FB wall Cancel {{share_success_msg}} {{explanations.length}} Explanations {{exp.name}} Explained on {{exp.date_str}} {{exp.likes}} Explain this Question {{loading_msg || 'Submit Explanation'}}