_____________ has the lowest noise-level?

Related Mcqs:

1. In a p-channel JFET, the charge carriers are _____________?

   A. electrons
   B. holes
   C. both electrons and holes
   D. none of the above

2. The pinch-off voltage in a JFET is analogous to _____________ voltage in a vacuum tube?

   A. anode
   B. cathode
   C. grid cut off
   D. none of the above

3. If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?

   A. is increased
   B. is decreased
   C. remains the same
   D. none of the above

4. n a common-source JFET amplifier, the output voltage is _____________?

   A. 180o out of phase with the input
   B. in phase with the input
   C. 90o out of phase with the input
   D. taken at the source

5. The source terminal of a JEFT corresponds to _____________ of a vacuum tube?

   A. plate
   B. cathode
   C. grid
   D. none of the above

6. A certain JFET data sheet gives VGS(off) = -4 V. The pinch-off voltage Vp is _____________?

   A. +4 V
   B. -4 V
   C. dependent on VGS
   D. data insufficient

7. At cut-off, the JFET channel is _____________?

   A. at its widest point
   B. completely closed by the depletion region
   C. extremely narrow
   D. reverse baised

8. A certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is _____________?

   A. 20 mA
   B. 0 mA
   C. 40 mA
   D. 10 mA

9. A common base configuration of a pnp transistor is analogous to _____________?of a JFET

   A. common source configuration
   B. common drain configuration
   C. common gate configuration
   D. none of the above

10. A n-channel D-MOSFET with a positive VGS is operating in _______________?

    A. the depletion-mode
    B. the enhancement-mode
    C. cut off
    D. saturation