Podcast
Questions and Answers
What is the term used to describe the breakdown of a Zener diode?
What is the term used to describe the breakdown of a Zener diode?
- Zener effect
- Avalanche effect
- Zener breakdown (correct)
- Ionization effect
What is the main reason for the large current at breakdown in a Zener diode?
What is the main reason for the large current at breakdown in a Zener diode?
- Strong electric field near the junction
- Two factors: Zener and avalanche effects (correct)
- High reverse bias voltage
- Increased kinetic energy of charged carriers
What happens to the electrons in the covalent bonds at voltages up to about 5 V?
What happens to the electrons in the covalent bonds at voltages up to about 5 V?
- They remain in the bonds
- They collide with other atoms
- They move through the crystal lattice
- They are pulled out of the bonds (correct)
What is the result of the avalanche effect in a Zener diode?
What is the result of the avalanche effect in a Zener diode?
What is the condition required for a Zener diode to be operated in the breakdown region without damage?
What is the condition required for a Zener diode to be operated in the breakdown region without damage?
What type of diode behaves similarly to a Zener diode in the forward direction?
What type of diode behaves similarly to a Zener diode in the forward direction?
What is the typical potential difference between the collector and emitter of a silicon transistor?
What is the typical potential difference between the collector and emitter of a silicon transistor?
What is the main reason why a small change in voltage between the emitter and base can lead to a large change in current?
What is the main reason why a small change in voltage between the emitter and base can lead to a large change in current?
What are the three types of transistor connections classified by?
What are the three types of transistor connections classified by?
What would happen if the voltage between the base and emitter is raised to 0.62 V?
What would happen if the voltage between the base and emitter is raised to 0.62 V?
What is the term used to describe the graphical representation of a transistor circuit's behavior?
What is the term used to describe the graphical representation of a transistor circuit's behavior?
How does the direction of current flow change in a p-n-p transistor?
How does the direction of current flow change in a p-n-p transistor?
What is the primary function of a transistor in electronic circuits?
What is the primary function of a transistor in electronic circuits?
What happens when the majority carriers cross the junction in a PN-diode?
What happens when the majority carriers cross the junction in a PN-diode?
What is thermal runaway in a transistor?
What is thermal runaway in a transistor?
What is the main difference between Zener breakdown and avalanche breakdown in a PN-junction diode?
What is the main difference between Zener breakdown and avalanche breakdown in a PN-junction diode?
What is the name of the transistor configuration where the base is common to both the input and output circuits?
What is the name of the transistor configuration where the base is common to both the input and output circuits?
What is the ideal diode?
What is the ideal diode?
What is the purpose of the static characteristic curves?
What is the purpose of the static characteristic curves?
How many sets of characteristic curves can be plotted for each transistor configuration?
How many sets of characteristic curves can be plotted for each transistor configuration?
What is the input to a common-base transistor?
What is the input to a common-base transistor?
What is the effect of varying the collector-base voltage VCB on the input characteristic curve?
What is the effect of varying the collector-base voltage VCB on the input characteristic curve?
What type of junction is the base-emitter junction in a common-base transistor?
What type of junction is the base-emitter junction in a common-base transistor?
What is the name of the curve shown in Figure 2.12?
What is the name of the curve shown in Figure 2.12?
What primarily determines the value of the collector current IC?
What primarily determines the value of the collector current IC?
What is the effect of making VCB slightly negative?
What is the effect of making VCB slightly negative?
What is the name of the graph shown in Figure 2.13?
What is the name of the graph shown in Figure 2.13?
In a common-emitter configuration, what is the input current?
In a common-emitter configuration, what is the input current?
What is the relationship between the currents IE, IC, and IB?
What is the relationship between the currents IE, IC, and IB?
What is the difference between the characteristics of an n-p-n and p-n-p transistor?
What is the difference between the characteristics of an n-p-n and p-n-p transistor?
