If the load resistance decreases in a Zener regulator, then Zener current ______________?

A. Decreases
B. Stays the same
C. Increases
D. None of the above

A Zener diode______________?

A. Is a battery
B. Acts like a battery in the breakdown region
C. Has a barrier potential of 1 v
D. Is forward biased

A 30 V Zener will have depletion layer width_______________ that of 10 V Zener?

A. More than
B. Less than
C. Equal to
D. None of the above

What is true about the breakdown voltage in a Zener diode ?

A. It decreases when load current increases
B. It destroys the diode
C. It equals current times the resistance
D. It is approximately constant

A 5 mA changes in Zener current produces a 50 mA change in Zener voltage. What is the Zener impedance ?

A. 1 o
B. 1 o
C. 100 o
D. 10 o

The current in a Zener diode is limited by _______________?

A. external resistance
B. power dissipation
C. both (a) and (b)
D. none of the above

A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation ?

A. 09%
B. 87 %
C. 72 %
D. None of the above

A Zener diode that has very narrow depletion layer will breakdown by____________ mechanism?

A. Avalanche
B. Zener
C. Both avalanche and zener
D. None of the above

A Zener voltage regulator is used for ____________ load currents?

A. High
B. Very high
C. Moderate
D. Small

A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes______________?

A. Less than load current
B. Zero
C. More than load current
D. None of the above