Voltage-Ampere Characteristics of Diode-1 MCQ’s

Analog Electronic Circuits Electronics & Communication Engineering

This set of Analog Electronic Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Voltage-Ampere Characteristics of Diode-1″.

1. What is meant by the PIV rating of a diode?
a) Maximum reverse bias potential which can be applied across a diode without breakdown
b) Maximum forward bias potential which can be applied across a diode without breakdown
c) Minimum potential required by a diode to reach conduction state
d) Maximum power allowable to a diode

2. The voltage after which the diode current exponentially increases with forward bias is NOT known as ________
a) Offset voltage
b) Threshold potential
c) Firing potential
d) Peak forward voltage

3. The abbreviation PIV in the case of a diode stands for ____________
a) Peak Inferior Voltage
b) Problematic Inverse Voltage
c) Peak Inverse Voltage
d) Peak Internal Voltage

4. The diode current equation is not applicable in ____________
a) Forward biased state
b) Reverse biased state
c) Unbiased state
d) It is applicable in all bias states

5. The ideality factor of Silicon is ___________
a) 1
b) 2
c) 1.3
d) 1.7

6. What happens to cut-in voltage when the temperature increases?
a) Cut-in voltage increases
b) Cut-in voltage decreases
c) Cut-in voltage either increases or decreases
d) Cut-in voltage doesn’t depend on temperature

7. Emission coefficient of Germanium is ___________
a) 1
b) 1.1
c) 1.5
d) 2

8. What is the value of the voltage equivalent of temperature at room temperature (27oC)?
a) 26mV
b) 36mV
c) 0.26mV
d) 260mV

9. When temperature increases, reverse saturation current _________
a) Increases
b) Decreases
c) Doesn’t depend on temperature
d) Either increases or decreases

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