FET Which of the following transistor(s) has (have) depletion and enhancement types? BJT JFET MOSFET None of the above None For a FET when will maximum current flows? Vgs = 0V Vgs = 0v and Vds >= |Vp| VDS >= |Vp| Vp = 0 None The Shockley equation is __________________ ID = (1 – Vgs/Vp)2 ID = IDSS (1 – Vgs/Vp)2 ID = IDSS (1 – Vgs/Vp)1 ID = IDSS (1 + Vgs/Vp)2 None For an n-channel FET, What is the direction of the current flow? Source to drain Drain to source Gate to source Gate to drain None For VGS = 0 V, the drain current becomes constant when VDS exceeds ……… cut off VDD VP o V None Which of the following statement is true about FET? It has a high output impedance It has a high input impedance It has low input impedance It does not offer any resistance None The pinch-off voltage of a JFET is about ………. 0.7V 4V 5V 9V None A certain D-MOSFET is biased at VGS = 0 V. Its datasheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is 10.5mV 10mV 19.5mV 20mV None The transconductance of a JFET ranges from …………….. 100 to 500 mA/V 500 to 1000 mA/V 0.5 to 30 mA/V above 1000 mA/V None Which of the following represent(s) the cutoff region for a FET? ID = 0 mA VGS = VP IG = 0 All of the above None Time's up
