Tuesday, 11 June 2013

Video Solutions for GATE 1999 ECE : Two Mark Questions ( Electron Devices )




1. An n-channel JFET has IDSS = 2 mA and VP = -4 volts. Its 

    transconductance gm (in mS) for an applied gate to source 

    voltage (VGS) of -2 volts is 


                    (a)  0.25                        (b)    0.5      
          
                    (c)  0.75                        (d)    1.0







2. A dc power supply has a no-load voltage of 30 volts, and a full 

    load voltage of 25 volts at a full load current of 1 amp. Its output 

    resistance and load regulation, respectively are 







 











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