A. aluminum
B. Germanium
C. silicon
D. scandium
✅ The correct answer is option C.
Electrical Engineering MCQs
In hydro power plant, the graph between discharge and time is known as___________?
A. monograph.
B. load graph.
C. discharge graph.
D. hydro graph
✅ The correct answer is option D.
An ammeter should have_____________ resistance?
A. Infinite
B. Very large
C. Very low
D. None of the above
✅ The correct answer is option C.
If an instrument has cramped scale for larger values, then it follows________________?
A. square law
B. logarithmic law
C. uniform law
D. none of the above
✅ The correct answer is option B.
If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?
A. High
B. Very high
C. Moderate
D. Low
✅ The correct answer is option D.
A MOSFET differs from a JFET mainly because _________________?
A. of power rating
B. the MOSFET has two gates
C. the JFET has a pn junction
D. none of the above
✅ The correct answer is option C.
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?
A. 723 Hz
B. 7,234 Hz
C. 362 Hz
D. 3,617 Hz
✅ The correct answer is option D.
A power supply which has voltage regulation of ____________ is unregulated power supply?
A. 0 %
B. 5 %
C. 10 %
D. 8%
✅ The correct answer is option C.
The point of intersection of d.c. and a.c. load lines is called________________?
A. Saturation point
B. Cut off point
C. Operating point
D. None of the above
✅ The correct answer is option C.
In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?
A. Thin base
B. Thin collector
C. Wide emitter
D. None of the above
✅ The correct answer is option A.