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A transistor has how many pn junctions?

A transistor has how many pn junctions?

  1. 1
  2. 2
  3. 3
  4. 4
discuss
In an npn transistor, the majority carriers in the emitter are

In an npn transistor, the majority carriers in the emitter are

  1. free electrons
  2. holes
  3. neither
  4. both
discuss
The barrier potential across each silicon depletion layer is

The barrier potential across each silicon depletion layer is

  1. 0v
  2. 0.3v
  3. 0.7v
  4. 1v
discuss
The base of an npn transistor is thin and

The base of an npn transistor is thin and

  1. heavily doped
  2. lightly doped
  3. metallic
  4. doped by a pentavalent material
discuss
The emitter of a transistor is generally doped the heaviest because it

The emitter of a transistor is generally doped the heaviest because it

  1. has to dissipate maximum power
  2. has to supply the charge carriers
  3. is the first region of the transistor
  4. must possess low resistance
discuss
When a transistor is fully switched ON, it is said to be

When a transistor is fully switched ON, it is said to be

  1. shorted
  2. saturated
  3. open
  4. cut-off
discuss
A FET consists of a

A FET consists of a

  1. source
  2. drain
  3. gate
  4. all the above
discuss
The extremely high input impedance of a MOSFET is primarily due to the

The extremely high input impedance of a MOSFET is primarily due to the

  1. absence of its channel
  2. negative gate- source voltage
  3. depletion of current carriers
  4. extremely small leakage current of its gate capacitor
discuss
When a transistor is used as a switch, it is stable in which two distinct regions?

When a transistor is used as a switch, it is stable in which two distinct regions?

  1. saturation and active
  2. active and cutoff
  3. saturation and cutoff
  4. none of the above
discuss
The term BJT is short for

The term BJT is short for

  1. base junction transistor
  2. binary junction transistor
  3. both junction transistor
  4. bipolar junction transistor
discuss
What are the two types of bipolar junction transistors?

What are the two types of bipolar junction transistors?

  1. npn and pnp
  2. pnn and nnp
  3. ppn and nnp
  4. pts and stp
discuss
The magnitude of dark current in a phototransistor usually falls in what range?

The magnitude of dark current in a phototransistor usually falls in what range?

  1. ma
  2. ma
  3. na
  4. pa
discuss
Junction Field Effect Transistors (JFET) contain how many diodes?

Junction Field Effect Transistors (JFET) contain how many diodes?

  1. 4
  2. 3
  3. 2
  4. 1
discuss
When not in use, MOSFET pins are kept at the same potential through the use of:

When not in use, MOSFET pins are kept at the same potential through the use of:

  1. shipping foil
  2. nonconductive foam
  3. conductive foam
  4. a wrist strap
discuss
A MOSFET has how many terminals?

A MOSFET has how many terminals?

  1. 2 or 3
  2. 3
  3. 4
  4. 3 or 4
discuss
A very simple bias for a D-MOSFET is called:

A very simple bias for a D-MOSFET is called:

  1. self biasing
  2. gate biasing
  3. zero biasing
  4. voltage- divider biasing
discuss
Hybrid means

Hybrid means

  1. mixed
  2. single
  3. biunique
  4. none of the above
discuss
There are h- parameters of a transistor

There are h- parameters of a transistor.

  1. two
  2. four
  3. three
  4. none of the above
discuss
The h- parameter approach gives correct results for

The h- parameter approach gives correct results for

  1. large signals only
  2. small signals only
  3. both small and large signals
  4. none of the above
discuss
If the operating point changes, the h-parameters of transistor

If the operating point changes, the h-parameters of transistor

  1. also change
  2. do not change
  3. may or may not change
  4. none of above
discuss
total MCQs: 308

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