op amp as differential amplifier differential amplifier subtractor op amp full chapter ð Operational Amplifier:    âĒ Operational Amplifier  operational amplifier op amp as subtractor differential amplifier in hindi 0:00 subtractor 0:14 why differential amplifier 1:46 what is differential amplifier 2:37 construction 3:21 subtractor (inverting and non inverting op amp) 4:27 derivation 9:19 applications of differential amplifier 9:45 problem (numerical of subtractor) #opamp #subtractor #differentialamplifier #amplifier #electronics #engineeringphysics #bscphysics #eduphile #mscphysics #iitjamphysics