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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 12
36.
For a junction FET in the pinch off region as the drain voltage is increased, the drain current
becomes zero
abruptly decreases
abruptly increases
remains constant
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
To avoid thermal runaway in the design of an analog circuit, the operating point of the BJT should be such that it satisfies the condition.
VCE = VCC
VCE ≤ VCC
VCE ≥ VCC
VCE ≤ 0.78 VCC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
For a MOS capacitor fabricated on a P-type semiconductor, strong inversion occurs when
surface potential is equal to Fermi potential
surface Potential is greater than Fermi potential
surface potential is - ve and equal to Fermi potential in magnitude
surface potential is + ve and equal to twice the Fermi potential
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The primary function of a clamper circuit is to
suppress variations in signal voltage
raise +ve half cycle to the signal
Lower -ve half cycle of the signal
introduce a dc level into an a.c. signal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Breakdown in dielectric may be
electrical breakdown
thermal breakdown
electrochemical breakdown
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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