A. 530 Hz
B. 106 Hz
C. 11.5 Hz
D. 53 Hz
✅ The correct answer is option D.
Electrical Engineering MCQs
In obtaining the frequency response curve of an amplifier, the______________?
A. Amplifier level output is kept constant
B. Amplifier frequency is held constant
C. Generator frequency is held constant
D. Generator output level is held constant
✅ The correct answer is option D.
In RC coupling, the value of coupling capacitor is about_______________?
A. 100 pF
B. 0.1 µF
C. 0.01 µF
D. 10 µF
✅ The correct answer is option D.
For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave?
A. Equal to
B. 5 times greater than
C. 5 times smaller than
D. At least 10 times greater than
✅ The correct answer is option D.
A JFET has three terminals, namely________________?
A. cathode, anode, grid
B. emitter, base, collector
C. source, gate, drain
D. none of the above
✅ The correct answer is option C.
The gravity controlled instrument has crowded scale because current is proportional to________________?
A. balancing weight
B. deflection angle
C. sine of deflection angle
✅ The correct answer is option C.
The disadvantage of voltage divider bias is that it has _________________?
A. High stability factor
B. Low base current
C. Many resistors
D. None of the above
✅ The correct answer is option C.
The most inexpensive switch is _____________ switch?
A. Electronic
B. Mechanical
C. Electromechanical
D. None of the above
✅ The correct answer is option A.
The value of stability factor for a base resistor bias is________________?
A. RB (ß+1)
B. (ß+1)RC
C. (ß+1)
D. 1-ß
✅ The correct answer is option C.
The voltage gain of a tuned amplifier is____________at resonant frequency
A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. Zero
✅ The correct answer is option B.