11. A MOSFET can be operated with …….
(a) negative gate voltage only
(b) positive gate voltage only
(c) positive as well as negative gate voltage
(d) none of the above
12. Which of the following devices has the highest input impedance ?
(a) JFET
(b) MOSFET
(c) crystal diode
(d) ordinary transistor
13. A MOSFET uses the electric field of a ……. to control the channel current.
(a) capacitor
(b) battery
(c) generator
(d) none of the above
14. The input impedance of a MOSFET is of the order of …………..
(a) Ω
(b) a few hundred Ω
(c) k Ω
(d) several M Ω
15. A MOSFET differs from a JFET mainly because ……………
(a) of power rating
(b) the MOSFET has two gates
(c) the JFET has a pn junction
(d) none of above
Related Posts
MOSFET » Exercise - 1 1. For a MOSFET, the gate current : (a) Is dependent on drain current (b) Is negligibly small (c) Is independent of gate voltage (d) Increases with increase in gate voltage- MOSFET » Exercise - 12. For an n-channel enhancement mode MOSFET, the drain current : (a) Decreases with increases in drain voltage (b) Decreases with decrease in drain voltage (c) Increases with increases in gate voltage (d) Increases with decrease in gate voltage
- MOSFET » Exercise - 116. A certain D-MOSFET is biased at VGS = 0V. Its data sheet specifies IDSS = 20 mA and VGS (off) = – 5V. The value of the drain current is ............... (a) 20 mA (b) 0 mA (c) 40 mA (d) 10 mA
- MOSFET » Exercise - 118. A certain p-channel E-MOSFET has a VGS (th) = – 2V. If VGS = 0V, the drain current is ......... (a) 0 mA (b) ID (on) (c) maximum (d) IDSS
- 555555555588. When VGS = 0 on an N-channel MOSFET switch, there is no ________ between the source and the drain. (a) voltage drop (b) conductive channel (c) capacitance (d) inductance