A. One state
B. Two states
C. Three states
D. None of the above
✅ The correct answer is option B.
Electrical Engineering MCQs
At parallel resonance, the line current is_______________?
A. Minimum
B. Maximum
C. Quite large
D. None of the above
✅ The correct answer is option A.
The constant-current region of a JFET lies between______________?
A. cut off and saturation
B. cut off and pinch-off
a. and IDSS
C. pinch-off and breakdown
✅ The correct answer is option C.
A power amplifier has comparatively __________________ ß ?
A. Small
B. Large
C. Very large
D. None of the above
✅ The correct answer is option A.
If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?
A. 20 kΩ
B. 2 kΩ
C. 10 kΩ
D. 5 kΩ
✅ The correct answer is option D.
A tuned amplifier uses__________load?
A. Resistive
B. Capacitive
C. LC tank
D. Inductive
✅ The correct answer is option C.
In the above question, what are the values of cut-off frequencies?
A. 140 kHz , 60 kHz
B. 1020 kHz , 980 kHz
C. 1030 kHz , 970 kHz
D. None of the above
✅ The correct answer is option B.
At room temperature, an intrinsic silicon crystal acts approximately as_______________?
A. A battery
B. A conductor
C. An insulator
D. A piece of copper wire
✅ The correct answer is option C.
Which of the following power plant has highest Depreciation charges?
A. Thermal plant
B. Diesel plant
C. Hydroelectric plant
D. All have same
✅ The correct answer is option A.
__________is extensively used for those portions of magnetic circuit which carry steady flux and need superior mechanical properties ?
A. Grey cast-iron
B. Cast steel
C. High carbon steel
D. Stainless steel
✅ The correct answer is option B.