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Zener Diode Experiment Class 12. We covered all the Zener Diode Experiment Class 12 in this post for free so that you can practice well for the exam.
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Mock test on Zener Diode Experiment for Students
A Zener diode is primarily employed:
a) As an amplifier
b) As a rectifying device
c) As an oscillator
d) As a voltage regulator
Option d – As a voltage regulator
A Zener diode is commonly used for:
a) Amplification
b) Rectification
c) Voltage stabilization
d) Generation of oscillations
Option c – Voltage stabilization
Zener breakdown occurs when:
a) The doping concentration is low
b) The doping concentration is high
c) Doping is lower on the n-side
d) Doping is lower on the p-side
Option b – The doping concentration is high
The ripple factor of a power supply indicates the:
a) Rating of the diode
b) Effectiveness of the filter
c) Quality of voltage regulation
d) Purity of the output power
Option d – Purity of the output power
In ordinary diodes, avalanche breakdown is more likely than Zener breakdown because the diode is:
a) Lightly doped
b) Heavily doped
c) Having weak covalent bonds
d) Affected by all of these factors
Option a – Lightly doped
Avalanche breakdown takes place due to:
a) Level of doping
b) Nature of the semiconductor
c) Recombination of charge carriers
d) Collision of charge carriers
Option d – Collision of charge carriers
A Zener diode has a breakdown voltage of 5 V and a maximum power rating of 240 mW. The maximum current it can safely carry is:
a) 50 mA
b) 48 mA
c) 46 mA
d) 44 mA
Option b – 48 mA
A Zener diode can function as a:
a) Rectifier
b) Voltage stabilizer
c) Amplifier
d) Rectifier and stabilizer
Option d – Rectifier and stabilizer
Avalanche breakdown in a semiconductor diode occurs when:
a) Forward current exceeds a limit
b) Reverse bias exceeds a critical value
c) Forward bias exceeds a critical value
d) The potential barrier becomes zero
Option b – Reverse bias exceeds a critical value
Zener breakdown mainly depends on:
a) Concentration of donor impurities
b) Concentration of acceptor impurities
c) Speed of charge carriers
d) Electric Field across the depletion region
Option d – Electric Field across the depletion region
Both Zener and avalanche breakdown phenomena are collectively referred to as:
a) Zener breakdown
b) Avalanche breakdown
c) Current breakdown
d) Gain breakdown
Option a – Zener breakdown
A Zener diode exhibits a sharp breakdown at:
a) Low forward voltage
b) High forward voltage
c) Zero applied voltage
d) Low reverse voltage
Option d – Low reverse voltage
We covered all the zener diode experiment Class 12 above in this post for free so that you can practice well for the exam.
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