41. The encapsulation of transistor is necessary for
42. In deriving ac equivalent circuit for an amplifier circuit we short circuit
43. Thermal runaway is not possible in FET because as the temperature of FET increases
44. The direction of induced e.m.f. can be found by
45. In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will
46. A crack in the magnetic path of an inductor will result in
47. Consider the following statements:
A clamper circuit
1. adds or subtracts a dc voltage to or from a waveform.
2. does not change the shape of the waveform.
3. amplifies the waveform.
Which of the statements give above are correct?
Of these statements
A clamper circuit
1. adds or subtracts a dc voltage to or from a waveform.
2. does not change the shape of the waveform.
3. amplifies the waveform.
Which of the statements give above are correct?
Of these statements
48. Class-B amplifier has less efficiency compared to
49. In a MOSFET operating in the saturation region, the channel length modulation effect causes
50. A two stage capacitor coupled CE amplifier has stages having a voltage gain of 100 each. It is known that the gain of each stage drops by 3 dB at lower cutoff frequency. What is the overall gain of the multistage amplifier at lower cutoff frequency?
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