What is the key feature of a varactor diode?

Diodes Quiz

Passage
•
Physics
•
1st Grade
•
Hard
Omar Berber
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C) Frequency modulation
B) Voltage regulation
A) Amplification
D) Rectification
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical capacitance range of a varactor diode?
B) A few millifarads to a few hundred millifarads
D) A few nanofarads to a few hundred nanofarads
A) A few picofarads to several hundred picofarads
C) A few microfarads to a several hundred microfarads
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increasing the reverse bias voltage applied to a varactor diode?
C) The Q of the diode increases
A) The junction capacitance increases
B) The junction capacitance decreases
D) The Q of the diode decreases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of an LED diode?
A) To convert electrical energy into light
B) To regulate current flow in a circuit
C) To amplify electronic signals
D) To store electrical energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary factor affecting the tuning range of a varactor diode?
B) Reverse bias voltage
D) Current
A) Forward bias voltage
C) Temperature
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary application of varactor diodes in communication systems?
D) Voltage regulation
A) Audio amplification
B) Power generation
C) Frequency synthesis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the acronym 'LASER' stand for in a laser diode?
B) Low Amplitude Signal Emission Receiver
A) Light Amplification by Stimulated Emission of Radiation
D) Longitudinal Amplification by Stimulated Electron Radiation
C) Laser Amplification of Signal Energy Radiation
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