BJT and FET Frequency Response Questions and Answers
BJT and FET Frequency Response questions with answers are a key part of electronics and communication exam preparation. They focus on transistor behavior, gain, and bandwidth characteristics under various frequency conditions. Practicing programming questions and answers on these concepts helps students build analytical and circuit analysis skills essential for GATE, PSU, and university exams. This section includes detailed explanations of BJT and FET responses, making complex electronic topics easier to understand and apply in real-world problem-solving.
BJT and FET Frequency Response
Showing 10 of
26 questions
21. Which of the following statements is true for a square-wave signal?
- It is composed of both even and odd harmonics.
- It is composed only of odd harmonics.
- It is composed only of even harmonics.
- The harmonics waveforms are also square waves.
22. A change in frequency by a factor of ________ is equivalent to 1 decade.
- 2
- 10
- 5
- 20
23. In the input RC circuit of a single-stage BJT, by how much does the base voltage lead the input voltage for frequencies much larger than the cutoff frequency in the low-frequency region?
- About 0º
- 45º
- About 90º
- None of the above
24. In the ________-frequency region, the capacitive elements of importance are the interelectrode (between terminals) capacitances internal to the active device and the wiring capacitance between the leads of the network.
- low
- mid
- high
- [NIL]
25. What is the ratio of the output power to the input power at the cutoff frequencies in a normalized frequency response plot?
- 0.25
- 0.50
- 0.707
- 1
26. Single-element semiconductors are characterized by atoms with ____ valence electrons.
- 3
- 4
- 5
- 2