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

Byadmin December 22, 2018August 11, 2021

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

Regulated D.C. Power Supply

In an unregulated power supply, if load current increases, the output voltage _____________?

In an unregulated power supply, if load current increases, the output voltage _____________?

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

Read More In an unregulated power supply, if load current increases, the output voltage _____________?
Regulated D.C. Power Supply

In a regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each Zener has a maximum current rating of 300 mA, what should be the value of the series resistance ?

In a regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each Zener has a maximum current rating of 300 mA, what should be the value of the series resistance ?

A. 10 O
B. 50 O
C. 25 O
D. 40 O

Read More In a regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each Zener has a maximum current rating of 300 mA, what should be the value of the series resistance ?
Regulated D.C. Power Supply

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

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

Read More A 30 V Zener will have depletion layer width_______________ that of 10 V Zener?
Regulated D.C. Power Supply

The rupture of co-valent bonds will occur when the electric field is__________________?

The rupture of co-valent bonds will occur when the electric field is__________________?

A. 100 V/cm
B. 6 V/cm
C. 1000 V/cm
D. More than 105 V/cm

Read More The rupture of co-valent bonds will occur when the electric field is__________________?
Regulated D.C. Power Supply

The current in a Zener diode is limited by _______________?

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

Read More The current in a Zener diode is limited by _______________?
Regulated D.C. Power Supply

In a loaded Zener regulator, which is the largest Zener current ?

In a loaded Zener regulator, which is the largest Zener current ?

A. Series current
B. Zener current
C. Load current
D. None of the above

Read More In a loaded Zener regulator, which is the largest Zener current ?

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