Podcast
Questions and Answers
What is the type of semiconductor material that has an excess of electrons?
What is the type of semiconductor material that has an excess of electrons?
- Extrinsic
- N-type (correct)
- Intrinsic
- P-type
What is the barrier potential at a silicon P-N junction?
What is the barrier potential at a silicon P-N junction?
- 1.0 V
- 0.5 V
- 0.7 V (correct)
- 0.3 V
What is the direction of current flow in a P-N junction diode?
What is the direction of current flow in a P-N junction diode?
- From negative terminal to positive terminal (correct)
- From positive terminal to negative terminal
- In both directions simultaneously
- There is no current flow
Which semiconductor material has four electrons in its outermost energy level?
Which semiconductor material has four electrons in its outermost energy level?
What is the purpose of doping in semiconductor materials?
What is the purpose of doping in semiconductor materials?
What is the region where the P-type and N-type materials meet in a P-N junction diode?
What is the region where the P-type and N-type materials meet in a P-N junction diode?
What is the main advantage of vacuum tubes compared to transistors?
What is the main advantage of vacuum tubes compared to transistors?
What is the primary function of electronic materials?
What is the primary function of electronic materials?
What is a characteristic of insulators?
What is a characteristic of insulators?
What is a disadvantage of transistors compared to vacuum tubes?
What is a disadvantage of transistors compared to vacuum tubes?
What is a type of electronic material that can allow or suppress electrical current flow?
What is a type of electronic material that can allow or suppress electrical current flow?
What is a characteristic of good conductors?
What is a characteristic of good conductors?
What is the purpose of connecting the positive terminal of the voltage source to the n-type semiconductor material?
What is the purpose of connecting the positive terminal of the voltage source to the n-type semiconductor material?
What happens when the reverse-bias voltage, VR, becomes excessive?
What happens when the reverse-bias voltage, VR, becomes excessive?
What is the typical voltage range displayed on a digital multimeter when testing a silicon diode?
What is the typical voltage range displayed on a digital multimeter when testing a silicon diode?
What is the term for the small amount of current conducted by a reverse-biased diode?
What is the term for the small amount of current conducted by a reverse-biased diode?
What is the purpose of reversing the terminals of the meter when testing a diode?
What is the purpose of reversing the terminals of the meter when testing a diode?
What type of diode has a voltage range of 0.25 to 0.3 when tested with a digital multimeter?
What type of diode has a voltage range of 0.25 to 0.3 when tested with a digital multimeter?
