(a)Collector emitter voltage before input pulse is applied(in volts)=   
 
    11.999835  
 
 (b)Collector emittter voltage at end of delay time(in volts)=   
 
    10.8  
 
 (c)Collector emitter voltage at end of turn on time(in volts)=   
 
    1.2  
 
 (d)Total time from commencement of input to transistor switch off(in micro sec)=   
 
    5.25