Element #3F....Good luck!...and remember you will be asked 17 questions from this pool.

1. (E3F1) What is a linear electronic voltage regulator?

   1.   ?    A regulator that has a ramp voltage as its output.
   2.   ?    A regulator in which the pass transistor switches from the "off1 state to the "on" state.
   3.   ?    A regulator in which the control device is switched on or off, with the duty cycle proportional to the line or load conditions.
   4.   ?    A regulator in which the conduction of a control element is varied in direct proportion to the line voltage or load current.

2. (E3F2) What is a switching electronic voltage regulator?

   1.   ?    A regulator in which the conduction of a control element is varied in direct proportion to the line voltage or load current.
   2.   ?    A regulator that provides more than one output voltage.
   3.   ?    A regulator in which the control device is switched on or off, with the duty cycle proportional to the line or load conditions.
   4.   ?    A regulator that gives a ramp voltage at its output.

3. (E3F3) What device is usually used as a stable reference voltage in a linear voltage regulator?

   1.   ?    A Zener diode.
   2.   ?    A tunnel diode.
   3.   ?    An SCR.
   4.   ?    A varactor diode.

4. (E3F4) What type of linear regulator is used in applications requiring efficient utilization of the primary power source?

   1.   ?    A constant current source.
   2.   ?    A series regulator.
   3.   ?    A shunt regulator.
   4.   ?    A shunt current source.

5. (E3F5) What type of linear voltage regulator is used in applications where the load on the unregulated voltage source must be kept constant?

   1.   ?    A constant current source.
   2.   ?    A series regulator.
   3.   ?    A shunt current source.
   4.   ?    A shunt regulator.

6. (E3F6) To obtain the best temperature stability, what should be the opera